Hypertension Flashcards
Chlorthalidone
brand name:
Class:
Dose:
brand name: (hydroton)
class: Thiazide diuretic
dose: 12.5-25 mg/ day daily
Hydrochlorothiazide
brand name:
class:
Dose:
brand name: Hydrodiuril
class: thiazide like diuretic
Dose: 25-50 mg/ day daily
Indapamide
brand name:
class:
Dose:
brand name: (Lozol)
class: thiazide like diuretic
Dose: 1.25-2.5 mg/ day daily
Metalazone
brand name:
class:
dose:
brand name: Zaraxolyn
class: thiazide like diuretic
dose: 2.5-5 mg/day daily
Thiazide Diuretics
Class:
Indication:
Mechanism of Action:
Effects of mechanism of Action:
Adverse Effects:
Absolute Contraindications:
Pregnancy: –
Warning/ Precautions:
Drug-Drug Interactions (DDIs):
Monitoring Parameters:
Thiazide Diuretics
examples: Chlorthalidone( hydroton) , indapamide (Lozol), hydrochlorothiazide (hydrodiuril), Metolazone (Zaroxolyn)
Class: Thiazide Diuretics
Indication: Management of hypertension. Effective in treating hypertension in elderly and African American populations
Mechanism of Action: Inhibits sodium and chloride reabsorption in the distal convoluted tubule, causing increased excretion of sodium, chloride, water, and potassium
Effects of mechanism of Action: decrease blood volume, cardiac output, and peripheral vascular resistance
Adverse Effects: Hyponatremia, hypokalemia, HYPERcalcemia, hyperuricemia, hypovolemia, hyperglycemia, elevated lipids (LDL, triglycerides).
Absolute Contraindications: hypersensitivity, patients with hypersensitivity to sulfonamide-derive drugs (sulfa allergy)
Pregnancy: –
Warning/ Precautions: Use with caution in patients with history of acute gout unless the patient is on uric acid lowering therapy
Not effective in patients with low GFR, high salt intake.
Not effective in CrCl <30 mL/min
Drug-Drug Interactions (DDIs): NSAIDS, Lithium (decrease lithium clearance which increases toxicity)
Monitoring Parameters: Assess electrolytes and renal function 2-4 weeks after initiating therapy or changing doses.
NON Dihydropyridines (DHP)
examples:
Class:
Indication:
Mechanism of Action:
Effects of mechanism of Action:
Adverse Effects:
Absolute Contraindications:
Pregnancy: –
Warning/ Precautions: –
Drug-Drug Interactions (DDIs):
Monitoring Parameters: –
NON Dihydropyridines (DHP)
examples: Diltiazem ER, Verapamil (Canalan)
Class: Calcium Channel Blockers
Indication: Management of hypertension.
Mechanism of Action: inhibits calcium ions form entering vascular smooth muscle and myocardial
Effects of mechanism of Action: peripheral arterial and coronary artery vasodilation, ALSO has negative Inotropy (decreased contractility) and negative chronotropy (decreased heart rate).
Adverse Effects: Diltiazem: edema, headache, constipation, conduction disturbances, bradycardia, heart failure.
Verapamil : edema, constipation, gingival hyperplasia, headache, conduction disturbances, bradycardia, dizziness, heart failure exacerbations.
Absolute Contraindications:
avoid use in patients with HFrEF.
Pregnancy: –
Warning/ Precautions: –
Drug-Drug Interactions (DDIs): avoid routine use with beta blockers, CP3A4 major substrate and moderate inhibitor->dose aadjustments required for simvastatin an lovastatin, as well as be careful with interactions with other drugs involved with CYP3A4
Monitoring Parameters: –
Dihydropyridines (DHP).
examples:
Class:
Indication:
Mechanism of Action:
Effects of mechanism of Action:
Adverse Effects:
Absolute Contraindications:–
Pregnancy: –
Warning/ Precautions: –
Drug-Drug Interactions (DDIs): –
Monitoring Parameters: –
Pearls:
Dihydropyridines (DHP).
examples:end in -DIPINE: Amlodipine (Norvasc), Nifedipine (Procardia) etc.
Class: Calcium Channel Blockers
Indication: Management of hypertension.
Mechanism of Action: inhibits calcium ions form entering vascular smooth muscle and myocardial
Effects of mechanism of Action: peripheral arterial and coronary artery vasodilation
Adverse Effects: pedal edema (D/C if this happens), headache, dizziness, flushing, potential for reflex tachycardia (short acting agents only).
Absolute Contraindications:–
Pregnancy: –
Warning/ Precautions: –
Drug-Drug Interactions (DDIs): –
Monitoring Parameters: –
Pearls: can take up to one week to see full blood pressure lowering effects
Amlodipine
brand name:
class:
dose:
brand name: norvasc
class: dihyrdopyridine calcium channel blocker
dose: 2.5-10 mg / day daily
Nifedipine ER
brand name:
class:
dosage:
brand name: Procardia
class: dihydropyridine calcium channel blocker
dosage: 30-120mg/ day daily
Felodipine
brand name:
class:
dose:
brand name: Plendil
class: dihydropyridine calcium channel blockers
dosage: 2.5-10 mg / day daily
Diltiazem ER
brand name:
class:
dose:
brand name: Cardizem
class: NONdihydropyridine calcium channel blocker
dose: 120-360 mg/ day daily
Verapamil
Brand name:
class:
dosage:
brand name: Canalan
class: NON dihydropyridine calcium channel blocker
dosage: 120-360 mg/ day daily
Angiotensin converting enzyme inhibitors (ACEi)
examples:
Class:
Indication:
Mechanism of Action:
Effects of mechanism of Action:
Adverse Effects:
Absolute Contraindications:
Pregnancy:
Warning/ Precautions:
Drug-Drug Interactions (DDIs):
Monitoring Parameters:
Pearls:
Angiotensin converting enzyme inhibitors (ACEi)
examples: end in -PRIL. Lisinopril (Privinil/Zestril), Enalapril (Vasotec)
Class: Ace inhibitors
Indication: Management of hypertension.
Mechanism of Action:Prevents conversion of angiotensin ! to angiotensin II by way of the angiotensin converting enzyme. this prevents actions such as vasoconstriction, sympathetic activation, and aldosterone release.
Effects of mechanism of Action: decreased vasoconstriction and decreased aldosterone( corticosteroid that stimulates absorption of sodium by the kidneys) release.
Adverse Effects: HYPERkalemia, acute renal failure (in its with severe bilateral renal stenosis), dry cough( because of bradykinin), angioedma, hypotension.
Absolute Contraindications:pregnancy, history of angioedema, 36 hours of an angiotensin receptor/ neprilysin inhibitor[ARNI-sacubritil/valsartan], bilateral renal stenosis
Pregnancy: DO NOT USE
Warning/ Precautions: –Do not initiate if potassium > 5 mmol/L.Discontinue if potassium >5.6 mol/L
Drug-Drug Interactions (DDIs):
Monitoring Parameters: Assess electrolytes and renal function 2-4 weeks after initiating therapy or changing doses.
Pearls: 1.drug of choice in its with diabetes, heart failure, post MI, stroke, and/ or CKD due to target organ protection
- do not use in combo with RAAS drugs
- protect the myocardium from remodeling/ hypertrophy in patients with heart failure
Lisinopril
brand name:
class:
dose
(privinil/ Zestril)
class: ACEI
dose: 10-40 mg / day daily
Enalapril
brand name:
class:
dose:
brand name: Vasotec
class: ACEi
dose: 5-40 mg/ day in 1-2 divided doses
Quinapril
brand name:
class:
dose:
brand name: accupril
class: ACEi
dose: 10-80 mg / day in 1-2 divided doses
captopril
brand name:
class:
dose:
brand name: capoten
class: ACEI
dose: 12.5-150 mg in 2-3 divided doses
Angiotensin Receptor blockers (ARBs)
examples:
Class:
Indication:
Mechanism of Action:
Effects of mechanism of Action:
Adverse Effects:
Absolute contraindications:
Pregnancy:
Warning/ Precautions:
Drug-Drug Interactions (DDIs):
Monitoring Parameters:
Pearls:
Angiotensin Receptor blockers (ARBs)
examples: end in -SARTAN. i.e Irbesartan (Avapro), Losartan (Cozaar)
Class: ARBS
Indication: Management of hypertension.
Mechanism of Action: blocks angiotensin II activity at the angiotensin receptor on vascular smooth muscle
Effects of mechanism of Action: decreased vasoconstriction and decreased aldosterone( mineralocorticoid that stimulates sodium reabsorption by way of the kidneys) release.
Adverse Effects: HYPERkalemia, acute renal failure (in its with severe bilateral renal stenosis), , hypotension. Olmesartan: can cause spur-like enteropathy (severe diarrhea with profound weightloss)
Absolute Contraindications:pregnancy, bilateral renal stenosis
Pregnancy: DO NOT USE
Warning/ Precautions: –Do not initiate if potassium > 5 mmol/L.Discontinue if potassium >5.6 mol/L
history of angioedema (angioedema may be less likely to occur in ARBS over ACEI, but risk cannot be ruled out)
Drug-Drug Interactions (DDIs):
Monitoring Parameters: Assess electrolytes and renal function 2-4 weeks after initiating therapy or changing doses.
Pearls: 1.drug of choice in its with diabetes, heart failure, post MI, stroke, and/ or CKD due to target organ protection
- do not use in combo with RAAS drugs
- protect the myocardium from remodeling/ hypertrophy in patients with heart failure
- no washout period required when transitioning to a neprilysin inhibitor
- Less dry cough/ angioedema due to lack of peripheral effects of angioedema
- Olmesartan can cause spur-like enteropathy (severe diarrhea with profound weight loss.
- comes available (with HCTZ, CCBs)
Direct Renin Inhibitors
examples:
Indication:
Mechanism of Action:
Effects of mechanism of Action:
Adverse Effects:
Absolute Contraindications:
Pregnancy:
Warning/ Precautions: –
Drug-Drug Interactions (DDIs): –
Monitoring Parameters:
Pearls:
Direct Renin Inhibitors
examples: Aliskiren ( Tekturna)
Class: Direct Renin Inhibitor
Indication: Management of hypertension. not recommended as initial treatment for HTN
Mechanism of Action: decreases renin-> overall decrease in angiotensin II
Effects of mechanism of Action: decreased vasoconstriction and decreased aldosterone( mineralocorticoid that stimulates sodium reabsorption by way of the kidneys) release.
Adverse Effects: HYPERkalemia, acute renal failure (in its with severe bilateral renal stenosis), , hypotension, diarrhea
Absolute Contraindications: pregnancy, avoid use with ACEi or ARBS in patients with diabetes
Pregnancy: DO NOT USE
Warning/ Precautions: –Do not initiate if potassium > 5 mmol/L.Discontinue if potassium >5.6 mol/L
Drug-Drug Interactions (DDIs): –
Monitoring Parameters: Assess electrolytes and renal function 2-4 weeks after initiating therapy or changing doses.
Pearls:
- do not use in combo with RAAS drugs
- Long half life
- lack of long term studies on CV outcomes
- high drug cost
Beta Blockers
examples:
Class:
Indication:
Mechanism of Action:
Effects of mechanism of Action:
Adverse Effects:
Absolute Contraindications:
Pregnancy: —
Warning/ Precautions:
Drug-Drug Interactions (DDIs):
Monitoring Parameters: –
Pearls:
Beta Blockers
examples: in general, end in -OLOL.
Class: Beta blockers
Indication: Management of hypertension. not recommended as first line treatment for HTN, unless a compelling indication exists such as coronary artery disease and left ventricular dysfunction
Mechanism of Action: inhibiting Beta 1 +/- Beta 2 receptors.
contains subclasses:
Cardio-selective Beta blockers:More selective for beta 1 receptors then beta 2
Cardio-selective and vasodilatory: block beta 1 only
intrinsic sympathomimetic activity (ISA): exhibit low level agonist activity at the beta adrenergic receptor site while simultaneously acting as a receptor antagonist.
Effects of mechanism of Action: decreased heart rate and myocardial contractility. (variable based on beta blocker subclass
Adverse Effects: Bradycardia, heart block, worsening heart failure, bronchospasm fatigue, depression, reduced exercise tolerance, decreased libido, insomnia, impotence.
Absolute Contraindications: severe bradycardia
Pregnancy: —
Warning/ Precautions: Use with cautioning patients with bronchospastic diseases (COPD, asthma). use with caution in patients with diabetes
Drug-Drug Interactions (DDIs): Use with caution with other drugs that cause bradycardia
Monitoring Parameters: —
Pearls:
- MUST BE TAPERED upon D/C. can cause rebound hypertension
- can mask symptoms of hypoglycemia in patients with diabetes.( i.e palpitations, shakiness, anxiety)
- enhance hypoglycemic effects of insulin and sulfonylureas
cardio selective beta blocker
MOA:
benefit:
example
More selective for b1 blockade than b2.
benefit: can be used in patients with bronchospastic diseases such as asthma and COPD.
examples:Atenolol (Tenormin)
Metoprolol succinate (Toprol XL)
Betaxolol (Kerlone)
cardioselective and vasodilatory beta blocker
MOA:
example
MOA: selective for blockade of b1 receptor only.
example: Nebivolol (Bystolic)
beta blocker with intrinsic sympathomimetic activity
MOA:
examples:
pearl:
has low-level agonist activity at beta receptors while simultaneously having antagonist activity
examples: Acebutolol (Sectral)
Penbutolol
Pindolol (visken)
pearl: do not use in patients with MI because they do not decrease heart rate because of sympathomimetic activity
Combined alpha and beta receptor blockade
MOA:
examples:
benefit
MOA: blockade of both beta adrenergic receptors and has some alpha blinking activity.
examples: don't directly end in -OLOL carvedilol (coreg) carvedilol CR(Coreg CR) Labetalol (normodyne) Propanolol (Inderal)
benefit: alpha blockade good because it causes vasodilation.
Alpha 1 Blockers
examples:
Class: alpha 1 blockers
Indication:
Mechanism of Action:
Effects of mechanism of Action:
Adverse Effects:
Absolute Contraindications:–
Pregnancy: —
Warning/ Precautions:
Drug-Drug Interactions (DDIs):
Monitoring Parameters: –
Pearls:
Alpha 1 Blockers
examples: in general, end in -ZOSIN (i.e prazosin (cardura) Terazosin (Hytrin)
Class: alpha 1 blockers
Indication: Management of hypertension. *not recommended as first line treatment for HTN
Mechanism of Action: Bind and block alpha adrenergic receptors
Effects of mechanism of Action: peripheral dilation of arterioles and veins
Adverse Effects: syncope, orthostatic hypotension, first dose phenomenon ( transient dizziness and syncope), headache, dizziness.
Absolute Contraindications:
Pregnancy: —
Warning/ Precautions: Use with cautioning when administered with PDE5 inhibitors- enhance hypotensive effects.
Drug-Drug Interactions (DDIs): Use with caution with other drugs that cause bradycardia
Monitoring Parameters: —
Pearls:
- may be used in men who have hypertension and benign prostatic hypertrophy (BPH).
- increased risk for heart failure
- first dose orthostatic hypotension- administer the first dose at bedtime
Central Alpha 2 agonists
examples:
Class:
Mechanism of Action:
Effects of mechanism of Action:
Adverse Effects:
Absolute Contraindications:
Pregnancy:
Warning/ Precautions: –
Drug-Drug Interactions (DDIs): –
Monitoring Parameters:–
Pearls:
Central Alpha 2 agonists
examples:Clonidine PO (Catapres), Clonidine patch (Catapres-TTS), Methyldopa (Aldomet)
Class: Central alpha 2 agonist
Indication: Management of hypertension. *not recommended as first line treatment for HTN. LAST LINE therapy.
Mechanism of Action: stimulation of central alpha 2 agonists adrenergic receptors in the brain
Effects of mechanism of Action: decreased sympathomimetic outflow of norepinephrine. decreases systemic vascular resistance and heart rate
Adverse Effects:dry mouth, somnolence, bradycardia, sedation
Methyldopa-edema, weight gain, drug induced lupus (DILE)
Clonidine patch: skin rash, pruritis, erythema
Absolute Contraindications: Methyldopa: active liver disease, concurrent use of MAOis.
Pregnancy: Methyldopa is the Drug of choice in pregnancy
Warning/ Precautions: –
Drug-Drug Interactions (DDIs): –
Monitoring Parameters:–
Pearls:
- MUST BE TAPERED upon D/C. can cause rebound hypertension. not good for people with adherence problems
- LAST LINE therapy due to significant CNS effects
- methyldopa is the drug of choice in pregnancy
MEthyldopa
brand name
class:
indication:
notable side effects:
pearl:
brand name: (aldomet)
class: central alpha 2 agonist
indication: HTN
pearl: drug of choice for HTN in pregnancy
notable side effects: edema, weight gain, drug induced lupus
Clonidine PO
brand name:
class:
indication:
brand name(Catapress)
class: central alpha 2 agonist
indication: HTN
Clonidine patch
brand name:
indication:
class:
dosing:
brand name: Catapress TTS
indication: HTN
class: central alpha 2 agonist
dosing: weekly
Loop Diuretics
examples:
Class:
Indication:
Mechanism of Action:
Effects of mechanism of Action:
Adverse Effects:
Absolute Contraindications:
Pregnancy: –
Warning/ Precautions:
Drug-Drug Interactions (DDIs):
Monitoring Parameters:
Pearls:
Loop Diuretics
examples:Furosemide (Lasix), Butanemide (Bumex), Torsemide (Demadex)
Class: Loop diuretic
Indication: Management of hypertension. *not recommended as first line therapy unless compelling indication exists, such as left ventricular dysfunction. *
Mechanism of Action:inhibits sodium, chloride, and potassium reabsorption in the thick ascending limb of the nephron
Effects of mechanism of Action: decreased blood volume, cardiac output, and peripheral vascular resistance.
Adverse Effects: hypokalemia, hyponatremia, HYPOcalcemia, hyperuricemia, hypochloremia, metabolic acidosis, ototoxicity, hyperglycemia, hypertryglyceridemia, orthostatic hypotension
Absolute Contraindications:hypersensitivity, sulfa allergy
Pregnancy:–
Warning/ Precautions: use precaution in patients with gout
Drug-Drug Interactions (DDIs): NSAIDS( causes sodium and water retention
Monitoring Parameters: Assess renal function and electrolytes 2-4 weeks after intiating therapy or changing doses.
Pearls:
- preferred over thiazides if CrCl <30 ml/min
- preferred in patients with HF for volume control/ diuresis
- consider ethacrynic acid if a patient ha s a true sulfa allergy
Ethacrynic Acid
class:
pearl indication:
class: loop diuretic
indication: use as diuretic if patient has true sulfa allergy
Potassium sparing Diuretic
examples:
Class:
Indication:
Mechanism of Action:
Effects of mechanism of Action:
Adverse Effects:
Absolute Contraindications:–
Pregnancy: –
Warning/ Precautions:—-
Monitoring Parameters:
Pearls:
Potassium sparing Diuretic
examples:Amiloride (Mimador), Triamterene (Dyrenium)
Class: potassium sparing diuretic
Indication: counteract potassium loss induced by other diuretics in the treatment of HT. usually used in conjunction with more potent diuretics such as loop or thiazides.
Mechanism of Action: competitive inhibition of epithelial sodium channel ENaC in the collecting duct of the nephron.
Effects of mechanism of Action: decreased sodium reabsorption and increase potassium reabsorption.
Adverse Effects: hyperkalemia, dehydration, hypnoatremia, dizziness
Absolute Contraindications:–
Pregnancy: –
Warning/ Precautions:—-
Monitoring Parameters: Assess renal function and electrolytes 2-4 weeks after intiating therapy or changing doses.
Pearls:
1. minimally fficacious blood pressure control when used as monotherapy
2. can use in combo with thiazide, thiazide like, or loops to combat hypokalemia.
avoid if CrCl< 45 mL/min
Amiloride
brand name:
class:
brand name: Midamor
potassium sparing diuretic
Triamterene
brand name:
class:
brand name: (dyrenium)
class: potassium sparing diuretic
Direct vasodilators
examples:
Class:
Indication:
Mechanism of Action:
Effects of mechanism of Action:
Adverse Effects:
Absolute Contraindications:–
Pregnancy: –
Warning/ Precautions:—-
Monitoring Parameters: –
Pearls:
Direct vasodilators
examples: HYdralazine, Minoxidil
Class: direct vasodilators
Indication: management of HTN. not recommended as first line treatment
Mechanism of Action:direct vasodilation
Effects of mechanism of Action: decreased systemic vascular resistance
Adverse Effects: Minoxidil: reflex tachycardia, peripheral edema, hirsutism
Hydralazine: reflex tachycardia, peripheral edema, palpitations, DILE
Absolute Contraindications:–
Pregnancy: –
Warning/ Precautions:—-
Monitoring Parameters: –
Pearls:
1.minoxidil is associated wit sodium/ water retention and reflex tachycardia (use with diuretic and beta blocker)
Hydralazine
brand name:
class:
brand name: apresoline (IV)
class: vasodilator
Minoxidil
brand name:
class:
brand name: Loniten
class: vasodilator
Mineralcorticoid receptor antagonists
examples:
Class:
Indication:
Mechanism of Action:
Effects of mechanism of Action:
Adverse Effects:
Absolute Contraindications:
Pregnancy: –
Warning/ Precautions:—-
Monitoring Parameters:
Pearls:
Mineralcorticoid receptor antagonists
examples:Sprinolactone (non selective) , Eplerenone (selective)
Class: Mineralcorticoid receptor antagonists
Indication: management of HTN unresponsive to other therapies. spirinolactone is first line get for resistant HTN
Mechanism of Action: competitive antagonists of the mineralocorticoid receptor
Effects of mechanism of Action: decreased sodium reabsorption and increasing potassium reabsorption
Adverse Effects: hyperkalemia, dehydration, hyponatremia.
spironolactone: gynecomastia, breast tenderness, impotence
eplerenone: increased triglycerides
Absolute Contraindications: hyperkalemia, anuria
Eplerenone: contraindicated when Crcl<50 mL/min or SCr >2 mg/dL in males or >1.8 mg/dL (females)
Pregnancy: –
Warning/ Precautions:—-
Monitoring Parameters: assess electrolytes and renal function 2-4 weeks after initiating therapy or changing doses
Pearls:
- preferred in primary aldosteronism and resistant hypertension
- minimally efficacious BP control when used as mono therapy.
- used in combo with loops and thiazides to combat potassium loss
Spironolactone
class:
pearl: when is it used?
dose:
class: mineralocorticoid receptor antagonist
potassium sparing diuretic
pearl: first line therapy for resistant hypertension
dose: 25-100 mg daily
Eplerenone:
class:
class: mineralcorticoid receptor antagonist
potassium sparing diuretic
Isosorbide dinitrate
Class:
class: direct vasodilator