Adrenergic Drugs Flashcards
Dopamine MOA
B1 agonist
Dopamine therapeutic use
Cardiogenic and septic shock
Dopamine Adverse Effects
Ischemic necrosis (extravasation)
Correct hypovolemia in patients under shock
Fendolopam MOA
D1 selective agonist - Gs protein
Fendolopam Therapuetic Use
Hypertensive crisis
Delayed diuresis (fel)
Dopexamine is
a synthetic dopamine analogue
Dopexamine MOA
Beta agonist (inotropic)
Dopexamine Therapeutic use
Cardiac failure
Methoxamine MOA
a1 agonist = vasoconstriction
Methoxamine Therapeutic Use
Hypotension during surgery
Methoxamine Adverse Effects
Hypertension
headache
vomiting
Metaraminol MOA
a1 agonist
Metaraminol Therapeutic Use
Hypotension during spinal anesthesia
Phenylephrine MOA
a1 agonist - direct
Phenylephrine Therapeutic Use
nasal decongestant
mydriatic - glaucoma
Phenylpropanolamine MOA
a1 agonist
Phenylpropanolamine Therapeutic Use
urinary incontinence in dogs - increase sphincter tone
Oxymetazoline MOA
a1 agonist, partial a2 agonist
Oxymetazoline Therapeutic Use
nasal decongestant
Clonidine MOA
a2 agonist CNS - suppresses sympathetic outflow
Clonidine Therapeutic Use
hypertension
preop sedation/analgesia
Clonidine Adverse Effects
dry mouth
sedation
rebound hypertension
bradycardia
Dobutamine MOA
b1 agonist
Dobutamine Therapeutic Uses
congestive heart failure
Dobutamine Adverse Effects
increase AV conduction
tachyphylaxis
Metaproterenol/Orciprenaline MOA
b2 agonist
Metaproterenol/Orciprenaline Therapeutic Use
bronchodilator
Terbutaline MOA
b2 agonist
Terbutaline Therapeutic Use
bronchodilator
Terbutaline Adverse Effects
tachycardia - not preffered in animals with heart disease
Albuterol/Salbutamol MOA
b2 agonist
Albuterol/Salbutamol Therapeutic Uses
bronchodilator
Clenbuterol MOA
b2 agonist
Clenbuterol Therapeutic Uses
bronchodilator
COPD horses
Salmeterol MOA
b2
slow onset - long acting
Salmeterol Therapeutic Uses
bronchodilator
Isoxsuprine MOA
b2 agonist
Isoxsuprine Therapeutic Uses
navicular disease/laminitis in horses - vasdoilates skeletal muscle
Ritodrine MOA
b2 agonist
Ritodrine Therapeutic Uses
uterine relaxant - arrest premature labor
Ractopamine MOA
b2 agonist
Ractopamine Therapeutic Use
reparitioning agent for cattle and swine - increase muscle leanness
Ractopamine Adverse Effects
anorexia, bloat, locomotion disorder
Amphetamine MOA
peripheral a and b actions - release of catecholamines from vesicles
Amphetamine Therapeutic Use
stimulant in mood and alertness
Amphetamine Adverse Effects
insomia, tremor, restlessness excitement, agitation
cardiac arrythmias
GI signs
Ephedrine MOA
CNS stimulation - increase cardiac output and rate
Ephedrine Therapeutic Uses
bronchodilator
hypotension
nasal decongestant
urinary incontinece
myasthenia gravis
Ephedrine Adverse Effects
hypertension
cardiac arrythmias
insomnia
tachyphylaxis
Phenoxybenzamine MOA
non-selective a antagonist
inhibits reuptake of NE by presynaptic nerve terminals
Phenoxybenzamine Therapeutic Use
pheochromocytoma
manage benign prostatic hypertrophy
detrusor areflexia in dogs and cats
Phenoxybenzamine Adverse Effects
postural hypotension
congestion, nausea, vomiting
inhibit ejaculation and sperm production
Phentolamine MOA
non-selective a antagonist
Phentolamine Therapeutic Uses
hypertension associated with pheochromocytoma
reverse oral local anesthetic
Phentolamine Adverse Effects
postural hypotension
reflex tachycardia
arrythmias
diarrhea
Tolazoline MOA
non-selective a antagonist
Tolazoline Therapeutic Uses
reverse effects of Xylazine in large animals
Tolazoline Adverse Effects
arrythmias, tachycardia
GI stimulation
Prazosin MOA
a1 antagonist
Prazosin Therapeutic Uses
hypertension
benign prostate hypertrophy
vasodilation
Prazosin Adverse Effects
dizziness
nasal congestion
headache
drowsiness
orthostatic hypotension
Terazosin MOA
a1 antagonist
Terazosin Therapeutic Use
vasodilator
Doxazosin MOA
a1 antagonist
Doxazosin Therapeutic Use
vasodilator
Yohimbine MOA
a2 antagonist in brain - release NE into synaptic cleft
Yohimhine Therapeutic Use
reversal agent of xylazine and detomidine
Atipamezole MOA
a2 antagonist
Atipamezole Therapeutic Use
reversal agent for dexmedetomidine and medetomidine (dogs)
Propranolol MOA
non-selective b antagonist
Propranolol Therapeutic Use
hypertension
Propranolol Adverse Effects
bronchoconstriction
arrhythmias
hypoglycemia
Timolol MOA
non-selective b antagonist
Timolol Therapeutic Use
glaucoma
Sotalol MOA
non-selective b antagonist
Sotalol Therapeutic Use
anti-arrhythmic drug
Carvedilol MOA
non-selective b antagonist
Metoprolol MOA
b1 antagonist
Metoprolol Therapeutic Use
hypertension
ischemic heart disease
thyrotoxicosis
pheochromocytoma
Atenolol MOA
b1 antagonist
Acebutolol MOA
b1 antagonist
Acebutaolol Therapeutic Uses
hypertension
ischemic heart disease
thyrotoxicosis
pheochromocytoma
Esmolol MOA
b1 antagonist
Esmolol Therapeutic Uses
hypertension
ischemic heart disease
thyrotoxicosis
pheochromocytoma
myocardial infraction