Block 2 (Sympathomimetics) Flashcards
In the eye which receptors have which effect?
a1
a2
B2
a1= Mydriasis & distant accommodation
a2= Reduces aqueous humor production
B2= Increases aqueous humor production
In the blood vessels which receptors have which effect?
a1
a2
B2
a1:
Vascular smooth muscle contraction of arterioles to increase peripheral resistance increasing afterload
&
Vasoconstriction causing more venous return & increased preload
a2:
Increased platelet aggregation
B2:
Peripheral vasodilation to decrease peripheral vascular resistance reducing afterload
In the Heart which receptors have which effect?
B1
B1:
Increased HR/Contractility & AV nodal conduction
In the Bronchi which receptors have which effect?
B2
B2:
Bronchodilation
In the GiT which receptors have which effect?
B2
B2:
Decreased peristalsis
In the Liver which receptors have which effect?
a1
a1:
Increased glycogenolysis & Gluconeogenesis
In the pancreas which receptors have which effect?
a2
B2
a2:
Decrease insulin release
B2:
Increase insulin release
In the Kidneys which receptors have which effect?
B1
B1:
Increase the release of renin
In the Bladder which receptors have which effect?
a1
B2
B3
a1:
Urinary retention (relaxation)
B2 & B3:
Detrusor relaxation (urine retention)
In the female reproductive organs which receptors have which effect?
B2
B2:
Decreased uterine tone (tocolysis)
In the male reproductive organs which receptors have which effect?
a1
a1:
Ejaculation from the vas deferens
In the skeletal muscles which receptors have which effect?
B2
B3
B2:
Contraction & Glycogenolysis
B3:
Thermogenesis
In the Adipose tissue which receptors have which effect?
a1
B1-B3
a1:
Decreased lipolysis
B1-B3:
Increased lipolysis
What are the actions of IV adrenaline on BP:
An initial rise then fall in BP (aka Dale’s vasomotor reversal)
Acts on a1, B1, & B2 receptors (effect is dosage dependent)
What are the actions of Noradrenaline on BP:
Systole
Diastole
Mean BP
Sys: Increased
Dia: Increased
Mean: Increased
Poor B2 activity instead it has a1, a2, & B1 activity
What are the actions of Isoprenaline on BP:
Systole
Diastole
Mean BP
Sys: Increased
Dia: Decreased
Mean: Decreased or unchanged
has very little a activity instead it has B1 & B2 activity only
Describe the following for a1 receptors:
Which pathway does it activate?
What type of effects does it have?
What are its agonists vs antagonist?
Path:
a1 activates Gq to increase phospholipase C resulting in increased IP3, DAG, & Ca2+
Effects:
Sympathetic constriction of BV
1) Increase stroke volume (artery & vein constriction causes increased after & preload respectively)
2) Increased cardiac output (aka higher systolic & diastolic BP)
3) Mydriasis (contract pupillae dilator)
4) Gi & bladder sphincter contraction (reduce peristalsis & urination)
5) Glycogenolysis (to up glucose)
6) Reduce renin/RAAS
7) Reduce aqueous humor production
Agonist: Norepinephrine & epinephrine
Antagonist: Phentolamine
Path:
activates Gq to increase phospholipase C resulting in increased IP3, DAG, & Ca2+
Effects:
Sympathetic constriction of BV
1) Increase stroke volume (artery & vein constriction causes increased after & preload respectively)
2) Increased cardiac output (aka higher systolic & diastolic BP)
3) Mydriasis (contract pupillae dilator)
4) Gi & bladder sphincter contraction (reduce peristalsis & urination)
5) Glycogenolysis (to up glucose)
6) Reduce renin/RAAS
7) Reduce aqueous humor production
Agonist: Norepinephrine & epinephrine
Antagonist: Phentolamine
This describes which adrenergic receptor?
alpha 1
Describe the following for a2 receptors:
Which pathway does it activate?
What type of effects does it have?
Path:
a2 activates Gi which inhibits adenylate cyclase to reduce cAMP
Effects:
Anti-sympathetic
1) Constricting the lungs
2) Anti-insulin
3) Pro platelet aggregation
Path:
activates Gi which inhibits adenylate cyclase to reduce cAMP & prevent norepinephrine release from the neuron
Effects:
Anti-sympathetic
1) Constricting the lungs
2) Anti-insulin
3) Pro platelet aggregation
Describes which receptor?
alpha 2
Describe the following for B1 receptors:
Which pathway does it activate?
What type of effects does it have?
What is it’s agonist vs antagonist?
Path:
B1 activates Gs to increase adenylate cyclase causing more cAMP to increase release of norepinephrine
Effects:
Sympathetic
1) Increased HR, SV, Contractility
2) Increased cardiac output (aka higher systolic & diastolic BP)
3) Higher renin/RAAS
4) Increases aqueous humor secretion
Agonists: Epinephrine
Antagonist: drugs ending in lol (propranolol or metraprolol)
Path:
activates Gs to increase adenylate cyclase causing more cAMP to increase release of norepinephrine
Effects:
Sympathetic
1) Increased HR, SV, Contractility
2) Increased cardiac output (aka higher systolic & diastolic BP)
3) Higher renin/RAAS
4) Increases aqueous humor secretion
Agonists: Epinephrine
Antagonist: drugs ending in lol (propranolol or metraprolol)
Describes which receptor?
Beta 1 receptor
Describe the following for B2 receptors:
Which pathway does it activate?
What type of effects does it have?
Path:
activates Gs path which activates adenylate cyclase increased cAMP resulting in inhibited myosin light chain kinase causing relaxation
Effects:
Tocolytic effects aka RELAXATION
1) Bronchodilation
2) Vasodilation causing lower diastolic BP
3) Hypokalemia (it moves K+ into SM)
4) Increased aqueous humor production
Path:
activates Gs path which activates adenylate cyclase increased cAMP resulting in inhibited myosin light chain kinase causing relaxation
Effects:
Tocolytic effects aka RELAXATION
1) Bronchodilation
2) Vasodilation causing lower diastolic BP
3) Hypokalemia (it moves K+ into SM)
4) Increased aqueous humor production
Describes which receptor?
Beta 2 receptor
Describe the following for B3 receptors:
Which pathway does it activate?
What type of effects does it have?
Path:
activates Gs path which activates adenylate cyclase increased cAMP
Effects:
1) lipolysis
Path:
activates Gs path which activates adenylate cyclase increased cAMP
Effects:
1) lipolysis
describes which receptor?
Beta 3 receptor
Phenylephrine
Metaraminol
Mephentermine
Midodrine
Methoxamine
Are all examples of which receptor agonists?
What are the clinical uses?
alpha 1 agonists
(acts on Gq path to increase phospholipase C resulting in more IP3, DAG, & Ca2+ to increase heart contractility)
Clinical uses:
1) Hypotension (vasoconstriction to increase resistance & BP)
2) Nasal decongestion (vasoconstriction reduces mucus production)
3) Mydriatic (constricts pupillae dilator muscles)
alpha 1 agonists
(acts on Gq path to increase phospholipase C resulting in more IP3, DAG, & Ca2+ to increase heart contractility)
Clinical uses:
1) Hypotension (vasoconstriction to increase resistance & BP)
2) Nasal decongestion (vasoconstriction reduces mucus production)
3) Mydriatic (constricts pupillae dilator muscles)
List the 5 alpha-1 agonists
Phenylephrine
Metaraminol
Mephentermine
Midodrine
Methoxamine
Apraclonidine
Clonidine
Brimonidine
Dexmedetomidine
Guanfacine
Guanabenz
Methyldopa
Tizanidine
Are all examples of which receptor agonists?
What are the clinical uses?
alpha 2 receptor agonists (Act via the Gi path to inhibit adenylate cyclase to reduce cAMP & inhibit myosin light chain kinase causing constriction of the lungs
Clinical uses:
1) Hypertension (Clonidine, Guanfacine, Gauanabenz, Methyldopa, & Tizanidine)
2) Glaucoma (Apraclonidine & Brimonidine)
3) Spasticity (Tizanidine)
alpha 2 receptor agonists (Act via the Gi path to inhibit adenylate cyclase to reduce cAMP & inhibit myosin light chain kinase causing constriction of the lungs
Clinical uses:
1) Hypertension (Clonidine, Guanfacine, Gauanabenz, Methyldopa, & Tizanidine)
2) Glaucoma (Apraclonidine & Brimonidine)
3) Spasticity (Tizanidine)
List 8 a2 agonists
Apraclonidine
Clonidine
Brimonidine
Dexmedetomidine
Guanfacine
Guanabenz
Methyldopa
Tizanidine
Isoproterenol
Albuterol
Terbutaline
Dobutamine
Formoterol
Metaproterenol
Salmeterol
Are all examples of which receptor agonists?
- Which ones are B1/B2, B2, & B1
What are the clinical uses?
What are the side effects?
- B1/B2
- B2
- B3
Beta-1 agonists (that act on the Gs path to increase adenylate cyclase & increase cAMP to cause dilation in blood vessels)
B1/B2: Isoproterenol
B2: Albuterol, Terbutaline, & Metaproterenol
B1: Dobutamine
Clinical uses:
1) Asthma & Tocolysis (stop pre-birth) via B2 agonists
2) Bradycardia, Heart block (AV node), & Asthma via B1/b2 agonists
3) Acute CHF via B1 agonist
Side effects:
B1: Tachycardia
B2: Anxiety, Tremor, Restlessness, & Palpations
B1/B2: Tachycardia, Hypotension, Headache, Flushing
Epinephrine
Norepinephrine
Dopamine
Are all examples of which receptor type
Mixed receptor
Epi: a1/2 & B1/2
Norepi: a1/2 & B1
Dopa: D1, B1, & a1
Phentolamine (reversible)
Prazosin
Terazosin
Doxazocin
Tamsulosin
Are all which type of receptor antagonists?
alpha 1 antagonists
Phenoxybenzamine (irreversible)
Yohimbine
Mirtazapine
Are all which type of receptor antagonists?
alpha 2 antagonists
Describe the reflex response of a1 agonists:
HR
Contractility
Systemic vascular resistance
BP: reduced
Contractility: reduced
Systemic vascular resistance: increased
Describe the reflex response of a2 agonists:
HR
Contractility
Systemic vascular resistance
HR: reduced
Contractility: unaffected
Systemic vascular resistance: reduced
Describe the reflex response of a2 antagonists:
HR
Contractility
Systemic vascular resistance
HR: Increased
Contractility: unaffected
Systemic vascular resistance: reduced
Describe the reflex response of a1/2 antagonists:
HR
Contractility
Systemic vascular resistance
HR: increased
Contractility: unaffected
Systemic vascular resistance: reduced
Describe the reflex response of B1 agonists:
HR
Contractility
Systemic vascular resistance
HR: increased
Contractility: increased
Systemic vascular resistance: reduced
Describe the reflex response of B1 antagonists:
HR
Contractility
Systemic vascular resistance
HR: reduced
Contractility: reduced
Systemic vascular resistance: unaffected
Describe the reflex response of Norepinephrine (mixed agonist) (a1>B1>B2)
BP
HR
Renal blood flow
BP: increased
HR: unchanged/reduced
Renal blood flow: reduced
Describe the reflex response of Phenylephrine (a1 agonist)
BP
HR
Renal blood flow
BP: increased
HR: reduced
Renal blood flow: reduced
Describe the reflex response of Dobutamine (B agonist with a higher affinity for B1)
BP
HR
Renal blood flow
BP: unchanged/reduced
HR: increased
Renal blood flow: unchaged
Describe the reflex response of Dopamine (mixed agonist)
Low vs high dose
BP
HR
Renal blood flow
Low dose (D1>B1>a1)
BP: unchanged/reduced
HR: increased
Renal blood flow: increased
High dose (a1>B1>D1)
BP: increased
HR: unchanged
Renal blood flow: reduced
Describe the reflex response of Epinephrine (mixed agonist)
Low vs high dose
BP
HR
Renal blood flow
Low dose (B1>B2>a1)
BP: unchanged/reduced
HR: increased
Renal blood flow: unchanged
High dose (a1>B2>B1)
BP: increased
HR: unchanged
Renal blood flow: reduced
Describe the reflex response of Isoproterenol (B agonist with equal effects on B1 & B2)
BP
HR
Renal blood flow
BP: unchanged/reduced
HR: increased
Renal blood flow: unchanged
Describe the following for Epinephrine:
What is the drug type?
What is its MOA?
What are the effects of the drug?
What are the clinical uses?
Drug type:
A mixed agonist that favors B2 receptors
MOA:
Because it selectively targets B receptors in activated the Gs pathway to increase adenylate cyclase & cAMP resulting in more release of Norepinephrine
Effects:
1) Increased BP
2) Increased HR
3) Increased CO
Clinical uses:
1) Anaphylaxis
2) Cardiac arrest
3) Septic shock
4) Post bypass hypotension
5) Asthma
6) Open-angle glaucoma
Drug type:
A mixed agonist that favors B2 receptors
MOA:
Because it selectively targets B receptors in activated the Gs pathway to increase adenylate cyclase & cAMP resulting in more release of Norepinephrine
Effects:
1) Increased BP
2) Increased HR
3) Increased CO
Clinical uses:
1) Anaphylaxis
2) Cardiac arrest
3) Septic shock
4) Post bypass hypotension
5) Asthma
6) Open-angle glaucoma
Describes which drug?
Epinephrine
Describe the following for Dobutamine:
What is the drug type?
What is the MOA?
What are the effects of the drug?
What are the clinical uses?
What are the adverse effects?
Drug type:
A direct-acting & selective B1 agonist (sympathomimetic)
MOA:
Because it selectively targets B receptors in activated the Gs pathway to increase adenylate cyclase & cAMP resulting in more release of Norepinephrine
Effects:
1) Increased CO without effecting the HR
Clinical uses:
1) Heart failure
2) Cardiogenic shock
3) Cardiac stress testing
Adverse effects:
1) Hypertension
2) Tachycardia
3) PVC’s
4) Arrythmias
Drug type:
A direct-acting & selective B1 agonist (sympathomimetic)
MOA:
Because it selectively targets B receptors in activated the Gs pathway to increase adenylate cyclase & cAMP resulting in more release of Norepinephrine
Effects:
1) Increased CO without effecting the HR
Clinical uses:
1) Heart failure
2) Cardiogenic shock
3) Cardiac stress testing
Adverse effects:
1) Hypertension
2) Tachycardia
3) PVC’s
4) Arrythmias
Describes which drug?
Dobutamine
Describe the following Albuterol:
What is the drug type?
What is the MOA?
What are the effects of the drug?
What are the clinical uses?
What are the adverse effects?
Drug type:
B2 agonist (short-acting)
MOA:
It activates Gs path to activate adenylate cyclase & cAMP resulting in more release of norepinephrine to bind to B2 receptors & dilate bonchi
Effect:
1) Bronchodilation
Clinical uses:
1) Acute exacerbation & prophylaxis of exercise-induced asthma
Adverse effects:
1) Tremor
2) Arrythmia
3) Tolerance/Tachyphylaxis
Drug type:
B2 agonist (short-acting)
MOA:
It activates Gs path to activate adenylate cyclase & cAMP resulting in more release of norepinephrine to bind to B2 receptors & dilate bonchi
Effect:
1) Bronchodilation
Clinical uses:
1) Acute exacerbation & prophylaxis of exercise-induced asthma
Adverse effects:
1) Tremor
2) Arrythmia
3) Tolerance/Tachyphylaxis
Describes which drug?
Albuterol
Describes the following for Salbutamol:
What is the drug type?
What is the MOA?
What are its effects?
What are the clinical uses?
What are the adverse effects?
Drug type:
B2 agonists (short acting)
MOA:
It activated Gs pathway to increase adenylate cyclase & cAMP to cause more release of Norepinephrine to bind to B2 receptors in the lungs (dilation)
Effects:
1) Bronchodilation
Clinical uses:
1) Asthma prophylaxis
Adverse effects:
1) Tremor
2) Arrythmia
3) Tolerance/Tachyphylaxis
Drug type:
B2 agonists (short acting)
MOA:
It activated Gs pathway to increase adenylate cyclase & cAMP to cause more release of Norepinephrine to bind to B2 receptors in the lungs (dilation)
Effects:
1) Bronchodilation
Clinical uses:
1) Asthma prophylaxis
Adverse effects:
1) Tremor
2) Arrythmia
3) Tolerance/Tachyphylaxis
Describes which drug?
Salbutamol
What drug types can be used to treat hyperkalemia?
Insulin + glucose
Calcium gluconate
B2 agonists
Insulin + glucose
Calcium gluconate
B2 agonists
Are all used to treat what condition?
Hyperkalemia
Describe the following for Isoproterenol:
What is the drug type?
What is the MOA?
What are its effects?
What are the clinical uses?
What are the adverse effects?
Drug type:
B agonist that targets B1 & B2 receptors equally
MOA:
It activates Gs to increase adenylate cyclase & cAMP resulting in more norepinephrine release to bind to B receptors (dilation)
Effects:
1) Increased cardiac output
2) Increased heart rate
3) Reduced BP
Clinical uses:
1) Bradycardia
2) Heart block (AV)
3) Cardiac arrest
Adverse effects:
1) Tachycardia
2) Arrythmia
Drug type:
B agonist that targets B1 & B2 receptors equally
MOA:
It activates Gs to increase adenylate cyclase & cAMP resulting in more norepinephrine release to bind to B receptors (dilation)
Effects:
1) Increased cardiac output
2) Increased heart rate
3) Reduced BP
Clinical uses:
1) Bradycardia
2) Heart block (AV)
3) Cardiac arrest
Adverse effects:
1) Tachycardia
2) Arrythmia
Describes which drug?
Isoproterenol
What are the adverse effects of alpha 1 agonists?
1) Hypertension
2) Reflex bradycardia
3) Urine retention
4) Ischemia & necrosis (fingers/toes)
5) Rebound congestion
6) Piloerection
1) Hypertension
2) Reflex bradycardia
3) Urine retention
4) Ischemia & necrosis (fingers/toes)
5) Rebound congestion
6) Piloerection
Are all adverse side effects of which drug type?
alpha 1 agonists
What is Albuterol used to treat?
It’s a B agonist targeted more towards B2 to treat Asthma
What is Salmeterol used to treat?
It’s a B agonist targeted more towards B2 to treat COPD
What is Terbutaline used to treat?
It’s a B agonist targeted more towards B2 to treat preterm labor with a tocolytic effect
Albuterol, Salmeterol, Formoterol, & Terbutaline are all used to treat which condition?
Hyperkalemia (B agonists pull K+ from blood into smooth muscle)
What are the adverse effects of B2 agonists?
1) Tremor
2) Agitation
3) Insomnia
4) Diaphoresis
5) Hypotension
6) Reflex tachycardia
7) Hyperglycemia
8) Hypokalemia
1) Tremor
2) Agitation
3) Insomnia
4) Diaphoresis
5) Hypotension
6) Reflex tachycardia
7) Hyperglycemia
8) Hypokalemia
Describe adverse side effects of which drug type?
B2 agonists
Describe the following for dopamine:
What is the drug type?
What is the effect of the drug at:
- low doses
- intermediate doses
- high doses
What are the clinical uses?
What are the adverse effects?
Drug type:
A mixed agonist that targets D1, B1, & a1 agonists at different doses
Effects of Low doses (D1):
Vasodilation in kidney causing
1) Increased RBF
2) Increase GFR
3) Increased Na secretion
Effects at med (B1) & high (a1) doses:
Cardio effects
1) Increased BP
2) Increased HR
3) Increased CO
Clinical uses:
1) Renal failure associated with shock (low dose)
2) Unstable bradycardia (low dose)
2) Heart failure
4) Cardiogenic shock
Adverse effects:
1) Nausea/vomiting
2) Tachycardia
3) Angina pain
4) Arrythmias
5) Headache
6) Hypertension
Drug type:
A mixed agonist that targets D1, B1, & a1 agonists at different doses
Effects of Low doses (D1):
Vasodilation in kidney causing
1) Increased RBF
2) Increase GFR
3) Increased Na secretion
Effects at med (B1) & high (a1) doses:
Cardio effects
1) Increased BP
2) Increased HR
3) Increased CO
Clinical uses:
1) Renal failure associated with shock (low dose)
2) Unstable bradycardia (low dose)
2) Heart failure
4) Cardiogenic shock
Adverse effects:
1) Nausea/vomiting
2) Tachycardia
3) Angina pain
4) Arrythmias
5) Headache
6) Hypertension
Describes which drug?
Dopamine
Describe the following for Fenoldopam:
What is the drug type?
What is the MOA?
What are the effects of the drug?
What are the clinical uses?
Drug type:
A selective D1 agonist
MOA:
It activates Gs path to increase adenylate cyclase & cAMP to increase norepinephrine release resulting in vasodilation
Effects:
1) Reduced BP (vasodilation)
2) Increased CO
3) Increased HR
Clinical uses:
1) Hypertensive crisis
2) post-op hypertension
Drug type:
A selective D1 agonist
MOA:
It activates Gs path to increase adenylate cyclase & cAMP to increase norepinephrine release resulting in vasodilation
Effects:
1) Reduced BP (vasodilation)
2) Increased CO
3) Increased HR
Clinical uses:
1) Hypertensive crisis
2) post-op hypertension
Describes which drug?
Fenoldopam
Describe the following for methyldopa:
What is the drug type?
What is the MOA?
What are the effects of the drug?
What are the clinical uses?
What are the adverse effects?
Drug type:
a2 agonist
MOA:
activates the Gi pathway to inhibit adenylate cyclase & cAMP causing less norepinephrine release resulting in constriction of blood vessels & lungs
Effects:
1) Reduced BP
Clinical uses:
1) Hypertension (safe in pregnancy!)
Adverse effects:
1) Autoimmune hemolytic anemia (+ve Coombs test)
2) SLE-like syndrome
3) Hyperprolactinemia
Drug type:
a2 agonist
MOA:
activates the Gi pathway to inhibit adenylate cyclase & cAMP causing less norepinephrine release resulting in constriction of blood vessels & lungs
Effects:
1) Reduced BP
Clinical uses:
1) Hypertension (safe in pregnancy!)
Adverse effects:
1) Autoimmune hemolytic anemia (+ve Coombs test)
2) SLE-like syndrome
3) Hyperprolactinemia
Describes which drug?
Alpha-methyldopa
What are the adverse effects of alpha-2 agonists?
1) Miosis
2) Dry mouth
3) Bradycardia & hypotension
4) CNS & Resp depression
5) Rebound hypertension
1) Miosis
2) Dry mouth
3) Bradycardia & hypotension
4) CNS & Resp depression
5) Rebound hypertension
Describes the adverse effects of which drug type?
alpha-2 agonists
Describe the following for Oxymetazoline:
What is the drug type?
What is the MOA?
What are the effects?
What are the clinical uses?
Drug type:
alpha agonists that mostly act on a1 receptors
MOA:
It acts on Gq to increase phospholipase C causing an increase in IP3, DAG, & Ca2+ (Cardiac & blood vessel contraction)
Effects:
1) May increase BP
Clinical uses:
1) Epistaxis
2) Rhinitis
3) Sinusitis
4) Rosacea
(vasoconstriction results in less mucus production & redness in skin/mucus membranes)
Drug type:
alpha agonists that mostly act on a1 receptors
MOA:
It acts on Gq to increase phospholipase C causing an increase in IP3, DAG, & Ca2+ (Cardiac & blood vessel contraction)
Effects:
1) May increase BP
Clinical uses:
1) Epistaxis
2) Rhinitis
3) Sinusitis
4) Rosacea
(vasoconstriction results in less mucus production & redness in skin/mucus membranes)
Describes which drug?
Oxymetazoline
Describe the following for phenylephrine:
What is the drug type?
What is the MOA?
What are the effects?
What are the clinical uses?
What are the adverse effects?
Drug type:
alpha agonist that targets alpha-1 receptors
MOA:
Activated Gq pathway to increase phospholipase C to increase IP3, DAG, & Ca2+ resulting in vasoconstriction (heart & BV)
Effects:
1) Increased BP
2) Reduced HR
3) No change or reduced CO
Clinical uses:
1) Hypotension
2) Nasal congestion (reduce hyperemia & mucosal edema)
3) Allergic conjunctivitis
Adverse effects:
1) Tolerance (less efficacious)
2) Atrophic rhinitis
3) Rebound hyperemia
4) Anosmia (loss of smell)
5) Nasal perforation
Drug type:
alpha agonist that targets alpha-1 receptors
MOA:
Activated Gq pathway to increase phospholipase C to increase IP3, DAG, & Ca2+ resulting in vasoconstriction (heart & BV)
Effects:
1) Increased BP
2) Reduced HR
3) No change or reduced CO
Clinical uses:
1) Hypotension
2) Nasal congestion (reduce hyperemia & mucosal edema)
3) Allergic conjunctivitis
Adverse effects:
1) Tolerance (less efficacious)
2) Atrophic rhinitis
3) Rebound hyperemia
4) Anosmia (loss of smell)
5) Nasal perforation
Describes which drug?
phenylephrine
Describe the following for mirabegron:
What is the drug type?
What is the MOA?
What are the effects?
What are the clinical uses
Drug type:
B3 agonist
MOA:
activates the Gs path to increase adenylate cyclase & cAMP resulting in more norepinephrine release
Effects:
1) increase BP
Clinical uses:
1) Urinary urgency/incontinence (overactive bladder)
Drug type:
B3 agonist
MOA:
activates the Gs path to increase adenylate cyclase & cAMP resulting in more norepinephrine release
Effects:
1) increase BP
Clinical uses:
1) Urinary urgency/incontinence (overactive bladder)
Describes which drug?
Mirabegron
List the alpha & beta agonist releasers
Tyramine
Amphetamines
Ephedrine
Describe the following for Amphetamines:
What is the drug type?
- MOA
What are the effects?
What are the clinical uses?
Drug type/MOA:
An indirect-acting adrenergic receptor agonist that increases the release of norepinephrine & has a long duration of action
Effects:
1) Alertness
2) Euphoria
3) Increased attention span
4) Less need for sleep
5) Talkative
6) Improved academic performance
Clinical uses:
1) Narcolepsy
2) ADHD
3) Obesity
Adverse effects:
1) Tolerance
What are the signs of amphetamine toxicity?
- Central vs peripheral
Central toxicity:
Euphoria
Excitement
Confusion
Delirium
Hallucinations
Acute psychosis
Mydriasis
Peripheral:
Palpitations
Arrythmia
Vascular collapse
Drug type/MOA:
An indirect-acting adrenergic receptor agonist that increases the release of norepinephrine & has a long duration of action
Effects:
1) Alertness
2) Euphoria
3) Increased attention span
4) Less need for sleep
5) Talkative
6) Improved academic performance
Clinical uses:
1) Narcolepsy
2) ADHD
3) Obesity
Adverse effects:
1) Tolerance
Describes which drug?
Amphetamines
Central toxicity:
Euphoria
Excitement
Confusion
Delirium
Hallucinations
Acute psychosis
Mydriasis
Peripheral:
Palpitations
Arrythmia
Vascular collapse
Describes the toxicity of which drug?
amphetamines
For the development of new drug procedure an experimental medication produces the hemodynamic response curve shown below
This new drug is most similar to which of the following substances?
A. Norepinephrine
B.lsoproterenol
C.Clonidine
D.Labetalol
E.Phenylephrine
B.lsoproterenol
A 62-year-old male with suspected bacterial pneumonia is admitted to the hospital and given ceftriaxone and azithromycin for treatment. Soon after the first dose of ceftriaxone, he complains of difficulty breathing, lightheadedness and abdominal cramps, His current blood pressure is 70/50 mmHg, while his heart rate is 120/min. Physical examination reveals a diffuse maculopapular rash. Which of the following drugs should be administered next to this patient?
A.Corticosteroids
B.Epinephrine
C.Norepinephrine
D.Dobutamine
E. Diphenhydramine
B.Epinephrine
Q 253
A medical student is conducting a pharmacology experiment. He infuses Drug X intravenously over different dose ranges and measures several important hemodynamic parameters. Graphs plotting the recorded measurements of renal blood flow and cardiac output change with increasing doses of Drug X are shown below.
Which of the following drug is most likely to be used in the experiment?
A.Epinephrine
B.Phenylephrine
C.Dopamine
D.Edrophonium
E.Esmolol
C.Dopamine
Q 255
A 38-year-old man comes to the office with complaints of a 2-week history of nasal congestion. He has used a topical decongestant every few hours since his symptoms began. He experienced relief for almost 1 week, but then his nasal congestion returned. The patient has a history of allergic rhinitis and has had episodes of rhinorrhea in the past, but none of them lasted longer than a few days. He denies fever, throat pain, headaches, cough, and lymph node enlargement. Aside from his allergic rhinitis, the patient has no other medical problems. Physical examination shows nasal mucosa that appears edematous and red with a few areas of punctate bleeding. The remainder of the examination reveals no abnormalities. Which of the following is the most appropriate next step in the management of this patient?
A. Stop the decongestant
B. Switch to ephedrine
C. Add oral corticosteroids
D. Add antihistamines
E. Start antibiotics
A. Stop the decongestant
Q 271
A new drug that is used to treat hypertensive emergencies causes arteriolar dilation. It also promotes natriuresis and increases renal perfusion. The drug described above is most similar with which of the following agents?
A.Diazoxide
B.Nitroprusside
C.Hydralazine
D.Esmolol
E.Nicardipine
F.Fenoldopam
F.Fenoldopam
Q 272
An 75-year-old man is transferred to the hospital from a nursing home for altered mental status and fever. Upon arrival, the patient is admitted directly to the intensive care unit with a presumptive diagnosis of septic shock. Antibiotic therapy is initiated. The patient is unable to provide any history,but his caretakers state that he has been having non-specific symptoms,including fever,for the past few days. The patient has a history of cardiovascular disease,diverticulitis,and dementia. His blood pressure is 60/40 mm Hg despite aggressive intravenous hydration. Norepinephrine is administered in response to the patient’s hypotension.Which of the following cellular changes occurs directly in response to norepinephrine therapy?
A.cAMP increase in vascular smooth muscle cells
B.DAG decrease in vascular smooth muscle cells
C.cAMP increase in cardiac muscle cells
D.cAMP decrease in bronchial smooth muscle cells
E. IP3 increase in cardiac muscle cells
C.cAMP increase in cardiac muscle cells
Describe the following for Tamsulosin:
What drug type is it?
What is its MOA?
What are its adverse effects?
What are its clinical uses?
Drug type:
Selective a1 & B1 blockers
MOA:
They inhibit the a1/B1 receptors causing smooth muscle relaxation in the bladder neck & prostate (free the pee!) to reduce obstruction
Adverse effects:
1) 1st dose hypotension, syncope, & headache
Clinical uses:
1) BPH
Drug type:
Selective a1 & B1 blockers
MOA:
They inhibit the a1/B1 receptors causing smooth muscle relaxation in the bladder neck & prostate (free the pee!) to reduce obstruction
Adverse effects:
1) 1st dose hypotension, syncope, & headache
Clinical uses:
1) BPH
Describes which drug?
Tamsulosin
Describe the following for cocaine:
What drug type is it?
What is its MOA?
What are its adverse effects?
What are its clinical uses?
Drug type/MOA
An indirect sympathomimetic (Norepi reuptake inhibitor) that increases the available norepi to bind a1 receptors
Adverse effects:
1) Very addictive
2) HTN
3) Arrythmias
4) Seizures
5) avoid giving with B-blockers or else you get unopposed a1 activation
Clinical uses:
1) Vasoconstriction
2) Local anesthesia
Drug type/MOA
An indirect sympathomimetic (Norepi reuptake inhibitor) that increases the available norepi to bind a1 receptors
Adverse effects:
1) Very addictive
2) HTN
3) Arrythmias
4) Seizures
5) avoid giving with B-blockers or else you get unopposed a1 activation
Clinical uses:
1) Vasoconstriction
2) Local anesthesia
Describes which drug?
Cocaine
Which drugs can be used to effectively treat BPH?
Tamsulosin
Selective B1 blockers (-azosin)
Describe the following for Selective B1 blockers (azosins):
What is its MOA?
What are its adverse effects?
What are its clinical uses?
MOA:
A competitive antagonist that inhibits B1 receptors causing smooth muscle relaxation in the prostate & blood vessels
Adverse effects:
1) Ist does hypotension, syncope, & headache
Clinical uses:
1) BPH
2) Hypertension
MOA:
A competitive antagonist that inhibits B1 receptors causing smooth muscle relaxation in the prostate & blood vessels
Adverse effects:
1) Ist does hypotension, syncope, & headache
Clinical uses:
1) BPH
2) Hypertension
Describes which type of drugs?
Selective B1 blockers (azosins)
Describe the following for clonidine:
What is the drug type?
What is its MOA?
What are the effects?
What are its clinical uses?
What are the adverse effects?
Drug type:
A sympathomimetic a2 agonist (at the presynaptic terminals)
MOA:
It stimulates prejunctional receptors in the CNS to decrease the sympathetic outflow
Effects:
1) Reduce total peripheral resistance (lower BP)
2) Lower HR
Clinical uses:
1) Hypertensive urgency
2) ADHD
3) Tourette’s
4) Opioid withdrawal (symptom control)
Adverse effects:
1) CNS & Resp depression
2) Miosis
3) Bradycardia
4) Rebound HTN when drug use is stopped suddenly
Drug type:
A sympathomimetic a2 agonist (at the presynaptic terminals)
MOA:
It stimulates prejunctional receptors in the CNS to decrease the sympathetic outflow
Effects:
1) Reduce total peripheral resistance (lower BP)
2) Lower HR
Clinical uses:
1) Hypertensive urgency
2) ADHD
3) Tourette’s
4) Opioid withdrawal (symptom control)
Adverse effects:
1) CNS & Resp depression
2) Miosis
3) Bradycardia
4) Rebound HTN when drug use is stopped suddenly
Describes which drug?
Clonidine
Describe the following for a1 receptors:
What is the pathway it activates?
What are its effects?
Name a selective agonist
Name a selective antagonist
A1= “activate”
Path:
Gq pathway to increase IP3, DAG, Ca2+
Effects:
Constricts blood vessels, sphincters, smooth muscle, & organs
1) Increase stroke volume (artery & vein constriction causes increased after & preload respectively)
2) Increased cardiac output (aka higher systolic & diastolic BP)
3) Mydriasis (contract pupillae dilator)
4) Gi & bladder sphincter contraction (reduce peristalsis & urination)
5) Glycogenolysis (to up glucose)
6) Reduce renin/RAAS
7) Reduce aqueous humor production
Selective agonist:
Prazosin
Selective antagonist:
Phenylephrine
Path:
Gq pathway to increase IP3, DAG, Ca2+
Effects:
Constricts blood vessels, sphincters, smooth muscle, & organs
1) Increase stroke volume (artery & vein constriction causes increased after & preload respectively)
2) Increased cardiac output (aka higher systolic & diastolic BP)
3) Mydriasis (contract pupillae dilator)
4) Gi & bladder sphincter contraction (reduce peristalsis & urination)
5) Glycogenolysis (to up glucose)
6) Reduce renin/RAAS
7) Reduce aqueous humor production
Selective agonist:
Prazosin
Selective antagonist:
Phenylephrine
Describes which receptor type?
Alpha 1 receptor
Describe the following for a2 receptors:
What is the pathway it activates?
What are its effects?
Name a selective & non-selective agonist
Name a selective & non-selective antagonist
Path:
activates the Gi pathway to inhibit adenylate cyclase & reduce cAMP at prejunctional nerve endings
Effects:
Inhibits norepinephrine release, dilation/inhibition of blood vessels, glands, organs, & smooth muscle
1) Reduce sympathetic outflow
2) Reduce insulin secretion (pancreas)
3) Increase platelet aggregation
4) Certain blood vessel/SM constriction (bronchodilation)
5) Urine retention (Bladder sphincter contraction)
Selective agonist: Clonidine
Non selective agonist: Yohimbine
Selective antagonist: Isoprenaline
Non-selective antagonist: Phentolamine
Path:
activates the Gi pathway to inhibit adenylate cyclase & reduce cAMP at prejunctional nerve endings
Effects:
Inhibits norepinephrine release, dilation/inhibition of blood vessels, glands, organs, & smooth muscle
1) Reduce sympathetic outflow
2) Reduce insulin secretion (pancreas)
3) Increase platelet aggregation
4) Certain blood vessel/SM constriction (bronchodilation)
5) Urine retention (Bladder sphincter contraction)
Selective agonist: Clonidine
Non selective agonist: Yohimbine
Selective antagonist: Isoprenaline
Non-selective antagonist: Phentolamine
Describes which receptor type?
Alpha 2 receptor
Describe the following for B1 receptors:
What is the pathway it activates?
What are its effects?
Name a selective & non-selective agonist
Name a selective & non-selective antagonist
Path:
It activates the Gs path to increase adenylate cyclase & raise cAMP levels which takes effect in the heart & kidneys
Effects:
Increased Ca2+ in the heart & kidneys
1) Higher HR (SA node)
2) More conduction velocity (AV node)
3) More contractility
4) Higher BP (via more renin from JG cells)
Selective agonist: Dobutamine
Non-selective agonist: Isoprenaline
Selective antagonist: Metoprolol, atenolol (lols)
Non-selective antagonists: Propranolol
Path:
It activates the Gs path to increase adenylate cyclase & raise cAMP levels which takes effect in the heart & kidneys
Effects:
Increased Ca2+ in the heart & kidneys
1) Higher HR (SA node)
2) More conduction velocity (AV node)
3) More contractility
4) Higher BP (via more renin from JG cells)
Selective agonist: Dobutamine
Non-selective agonist: Isoprenaline
Selective antagonist: Metoprolol, atenolol (lols)
Non-selective antagonists: Propranolol
Describes which receptor?
Beta 1 receptor
Describe the following for B2 receptors:
What is the pathway it activates?
What are its effects?
Name a selective & non-selective agonist
Name a selective antagonist
Path:
Activates the Gs path to increase adenylate cyclase & raise cAMP levels to act on the lungs, blood vessels, smooth muscles, glands, & organs
Effects:
Causes dilation/relaxation
1) Bronchodilation
2) Relaxed uterus
3) Vasodilation
4) Less digestion (relaxed Gi SM)
5) Increased glucagon release (liver)
6) Urine retention (relaxed detrusor)
7) Increased aqueous humor production
Selective agonists: Salbutamol & Terbutaline
Non-selective agonists: Isoprenaline
Selective antagonists: a-methyl propranolol
Path:
Activates the Gs path to increase adenylate cyclase & raise cAMP levels to act on the lungs, blood vessels, smooth muscles, glands, & organs
Effects:
Causes dilation/relaxation
1) Bronchodilation
2) Relaxed uterus
3) Vasodilation
4) Less digestion (relaxed Gi SM)
5) Increased glucagon release (liver)
6) Urine retention (relaxed detrusor)
7) Increased aqueous humor production
Selective agonists: Salbutamol & Terbutaline
Non-selective agonists: Isoprenaline
Selective antagonists: a-methyl propranolol
Describes which receptor?
Beta 2 receptor
Describe the following for B3 receptors:
What is the pathway it activates?
What are its effects?
Name a selective agonist
Path:
Activates the Gs path to increase adenylate cyclase & raise cAMP levels to act on adipose tissue
Effects:
1) More lipolysis
Selective agonist: Mirabegron
Path:
Activates the Gs path to increase adenylate cyclase & raise cAMP levels to act on adipose tissue
Effects:
1) More lipolysis
Selective agonist: Mirabegron
Describes which receptor?
Beta 3 receptor
Describe the following for Timolol:
What is the drug type?
What is its MOA?
What is its effect?
Drug type:
B-blocker
MOA:
Blocks norepinephrine’s action at the ciliary epithelium without causing pupil or vision changes
Effects:
1) Reduced aqueous humor production (blocks B2 receptors)
Drug type:
B-blocker
MOA:
Blocks norepinephrine’s action at the ciliary epithelium without causing pupil or vision changes
Effects:
1) Reduced aqueous humor production (blocks B2 receptors)
Describes which drug?
Timolol
Describe the following for prazosin:
What is the drug type?
What is its clinical use?
What is an adverse effect?
drug type:
Selective alpha-1 antagonist (a1 blocker)
Clinical use:
1) Hypertension
Adverse effect:
Orthostatic hypotension
drug type:
Selective alpha-1 antagonist (a1 blocker)
Clinical use:
1) Hypertension
Adverse effect:
Orthostatic hypotension
Describes which drug?
Prazosin
Describe the following for Doxazosin & Terazosin:
What are the drug types?
What are they clinically used for?
What are the adverse effects?
Drug types:
Selective alpha-1 antagonists
Clinical uses:
1) BPH
2) Atrial HTN
Adverse effect:
1) Orthostatic hypotension
Drug types:
Selective alpha-1 antagonists
Clinical uses:
1) BPH
2) Atrial HTN
Adverse effect:
1) Orthostatic hypotension
Describes which 2 drugs?
Doxazosin & Terazosin
Describe the following for Tamsulosin, Alfuzosin, & Silodosin:
What are the drug types?
What are they clinically used for?
What are the adverse effects?
Drug type:
Alpha-1 antagonists
Clinical use:
1) BPH
Adverse effects:
1) Intraoperative floppy iris syndrome
Drug type:
Alpha-1 antagonists
Clinical use:
1) BPH
Adverse effects:
1) Intraoperative floppy iris syndrome
Describes which 3 drugs?
Tamsulosin, Alfuzosin, & Silodosin
Which type of drug would you use to treat angina pectoris & why?
Beta blockers to reduce HR, contractility & O2 consumption of the heart (less damage)
Which type of drug would you use to treat Glaucoma & why?
A Beta blocker like timolol to reduce aqueous humor production
Which type of drug would you use to treat Heart failure & why?
Beta blockers like Bisoprolol, Carvedilol, Metoprolol to reduce neurohormonal stress & deleterious remodeling
“B-blockers Curb Mortality”
Which type of drug would you use to treat Hypertension & why?
B-blockers to reduce CO & BP to lessen the stress on the heart
Which type of drug would you use to treat Hypertrophic obstructive cardiomyopathy & why?
Beta blockers to reduce HR & increase filling time to relieve the obstruction
Which type of drug would you use to treat Hyperthyroidism/thyroid storm & why?
A beta blocker like propranolol to control the symptoms (i.e reduce HR in racing heart & tremors)
Which type of drug would you use to treat Myocardial infarction & why?
A beta blocker to reduce HR & O2 demand (short term ischemia control) & reduce mortality
Which type of drug would you use to treat Supraventricular tachycardia & why?
Beta blockers like metoprolol & esmolol to reduce AV nodal conduction to slow HR & reduce contractility
Which type of drug would you use to treat Variceal bleeding & why?
Beta blockers like nadolol, propranolol, & carvedilol to reduce hepatic venous pressure gradient (dilating the hepatic veins) to reduce portal hypertension
What are some of the major side effects of most beta blockers?
1) Erectile dysfunction (vasodilation)
2) Bradycardia, AV block, & HR
3) Seizures & sleep alterations
4) Dyslipidemia (metoprolol)
5) Masked hypoglycemia
6) Asthma/COPD exacerbation
1) Erectile dysfunction (vasodilation)
2) Bradycardia, AV block, & HR
3) Seizures & sleep alterations
4) Dyslipidemia (metoprolol)
5) Masked hypoglycemia
6) Asthma/COPD exacerbation
Are adverse effects of which drug type (receptor type)
Beta blockers
Why should you avoid Beta-blockers & cocaine?
Because it will result in unopposed alpha 1 activity
Acebutolol
Atenolol
Betaxolol
Bisoprolol
Esmolol
Metoprolol
Are all examples of which type of drug?
Selective B1 antagonists
List 6 Selective B1 antagonists
Acebutolol
Atenolol
Betaxolol
Bisoprolol
Esmolol
Metoprolol
Nadolol
Pindolol
Propranolol
Timolol
Are all examples of which type of drug?
B1 non-selective antagonists
List 4 B1 non-selective antagonists
Nadolol
Pindolol
Propranolol
Timolol
Carvedilol
Labetalol
Are examples of which type of drug?
Non-selective A/B antagonists
list 2 Non-selective A/B antagonists
Carvedilol
Labetalol
Nebivolol is what type of drug?
A B1/B3 blocker that increases nitric oxide
Describe the following for Atenolol:
What is the drug type?
What is the MOA?
What are the clinical uses?
What are the adverse effects?
Drug type:
Selective B1 antagonist (antiarrhythmic drug)
MOA:
It reduces SA & AV nodal conduction by reducing adenylate cyclase, cAMP, & Ca2+ levels which can suppress abnormal pacemaker currents with a reduced slope phase 4
Clinical use:
1) Supraventricular tachycardia (control ventricular rate for A fib & atrial flutter)
Adverse effects:
1) Impotence
2) Asthma/COPD exacerbation
3) Bradycardia
4) AV block
5) Heart failure
6) Sedation
7) Masked hypoglycemia
Drug type:
Selective B1 antagonist (antiarrhythmic drug)
MOA:
It reduces SA & AV nodal conduction by reducing adenylate cyclase, cAMP, & Ca2+ levels which can suppress abnormal pacemaker currents with a reduced slope phase 4
Clinical use:
1) Supraventricular tachycardia (control ventricular rate for A fib & atrial flutter)
Adverse effects:
1) Impotence
2) Asthma/COPD exacerbation
3) Bradycardia
4) AV block
5) Heart failure
6) Sedation
7) Masked hypoglycemia
Describes which drug?
Atenolol
How would you treat a pheochromocytoma & why?
Use an irreversible alpha antagonist, then use a beta-blocker before resecting the tumor.
“A before B to avoid a hypertensive crisis”
Phenoxybenzamine for pheochromocytoma
What are the cardiac effects meaning the cases you can use a B1 antagonist (aka a B1 blockade)
1) HTN
2) Classical angina
3) MI
4) Supraventricular arrythmias
5) Chronic CHF
6) Hypertrophic obstructive cardiomyopathy
7) Emergency symptoms of Tetralogy of Fallot
8) MVP
1) HTN
2) Classical angina
3) MI
4) Supraventricular arrythmias
5) Chronic CHF
6) Hypertrophic obstructive cardiomyopathy
7) Emergency symptoms of Tetralogy of Fallot
8) MVP
Are all examples of scenarios that you can use which drug type? (receptor type)
B1 antagonists
What are the cardiac effects meaning the cases you can use a B2 antagonist (aka a B2 blockade)
1) Pheochromocytoma (after an irreversible alpha antagonist)
2) Hyperthyroidism
3) Performance anxiety
4) Tremors
5) Akathisia
6) Migraine prophylaxis
7) Glaucoma (timolol & betaxolol)
8) Alcohol & opioid withdrawal
9) Portal HTN bleeding prophylaxis
1) Pheochromocytoma (after an irreversible alpha antagonist)
2) Hyperthyroidism
3) Performance anxiety
4) Tremors
5) Akathisia
6) Migraine prophylaxis
7) Glaucoma (timolol & betaxolol)
8) Alcohol & opioid withdrawal
9) Portal HTN bleeding prophylaxis
Are all examples of scenarios that you can use which drug type? (receptor type)
B2 antagonist (aka a B2 blockade)
What are the Adverse effects if thiazide diuretics?
Hypokalemia and metabolic alkalosis
Hyponatremia
Hypercalcemia
Hyperglycemia
Hyperlipidemia
Hyperuricemia
Allergic reactions (sulfonamide hypersensitivity)
Hypokalemia and metabolic alkalosis
Hyponatremia
Hypercalcemia
Hyperglycemia
Hyperlipidemia
Hyperuricemia
Allergic reactions (sulfonamide hypersensitivity)
Are all adverse effects of which diuretic?
Thiazide diuretics
What are the adverse side effects of Loop diuretics?
“GO PANDA”: Gout, Ototoxicity, low Potassium, Allergy, Nephritis, Dehydration, Alkalosis.
“GO PANDA”: Gout, Ototoxicity, low Potassium, Allergy, Nephritis, Dehydration, Alkalosis.
What are the adverse side effects of Loop diuretics?
Which conditions would you use loop diuretics?
Hypertension
Edema
Cardiac (acute and congestive heart failure, peripheral edema, lung edema)
Renal (nephrotic syndrome)
Hepatic (liver cirrhosis)
Hypercalcemia
Hypertension
Edema
Cardiac (acute and congestive heart failure, peripheral edema, lung edema)
Renal (nephrotic syndrome)
Hepatic (liver cirrhosis)
Hypercalcemia
Are all conditions that you would use which type of diuretic?
Loop diuretics
Hypertension
edema secondary to congestive heart failure; cirrhosis
Prevention of calcium kidney stones, idiopathic hypercalciuria
Osteoporosis
Nephrogenic diabetes insipidus
Are all conditions that you would use which type of diuretic?
Thiazide diuretic
What are the adverse effects of Thiazide diuretics
Hypertension
edema secondary to congestive heart failure; cirrhosis
Prevention of calcium kidney stones, idiopathic hypercalciuria
Osteoporosis
Nephrogenic diabetes insipidus
-hyperkalemia; metabolic acidosis, can lead to cardiac arrhythmias
Spironolactone-specific side effects: endocrine disturbances
Men: antiandrogenic effects (e.g., gynecomastia, erectile dysfunction)
Women: amenorrhea
Are the adverse effects of which diuretics?
K+ sparring diuretics
What are the adverse effects of K+ Sparring diuretics?
hyperkalemia; metabolic acidosis, can lead to cardiac arrhythmias
Spironolactone-specific side effects: endocrine disturbances
Men: antiandrogenic effects (e.g., gynecomastia, erectile dysfunction)
Women: amenorrhea
What are the conditions you would use a K+ sparring diuretic with?
Hypertension
Ascites/edema due to congestive heart failure, nephrotic syndrome, or cirrhosis of the liver (mainly spironolactone)
Hyperaldosteronism (Conn syndrome)
Nephrogenic diabetes insipidus (amiloride)
Hypokalemia
Hyperandrogenic states, e.g., polycystic ovary syndrome (spironolactone)
Hypertension
Ascites/edema due to congestive heart failure, nephrotic syndrome, or cirrhosis of the liver (mainly spironolactone)
Hyperaldosteronism (Conn syndrome)
Nephrogenic diabetes insipidus (amiloride)
Hypokalemia
Hyperandrogenic states, e.g., polycystic ovary syndrome (spironolactone)
Are conditions that you would use which type of diuretic?
K+ sparring
What are the adverse effects of carbonic anhydrase inhibitor type diuretics
Hyperammonemia with paresthesias
Proximal renal tubular acidosis → hyperchloremic, nonanion gap metabolic acidosis
Hypokalemia
Sulfonamide hypersensitivity
Calcium phosphate stone formation (alkaline urine promotes precipitation)
Hyperammonemia with paresthesias
Proximal renal tubular acidosis → hyperchloremic, nonanion gap metabolic acidosis
Hypokalemia
Sulfonamide hypersensitivity
Calcium phosphate stone formation (alkaline urine promotes precipitation)
Are all adverse effects of which type of diuretic?
Carbonic anhydrase inhibitors
Acute glaucoma
Altitude sickness (counteracts respiratory alkalosis)
Idiopathic intracranial hypertension
Metabolic alkalosis
Are all conditions that you would use which type of diuretic?
Carbonic anhydrase inhibitor
Which conditions would you use a carbonic anhydrase inhibitor?
Acute glaucoma
Altitude sickness (counteracts respiratory alkalosis)
Idiopathic intracranial hypertension
Metabolic alkalosis
