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57 Cards in this Set

  • Front
  • Back

Inhibit angiotensin-converting enzyme (ACE)

Ace inhibitors

Captopril and enalapril (-OPRIL ending) are

Ace inhibitors

SE of ACE inhibitors

Dry cough, hyperkalemia

Ace inhibitors are contraindicated in

pregnancy and with K+

Losartan and valsartan block

Angiotensin receptor
Angiotensin receptor blockers do NOT cause
Dry cough

Block L-type calcium channel

Calcium channel blockers
CCB contraindicated in CHF
Verapamil

CCB with predominate effect on arteriole dilation

Nifedipine

SE of CCB

Constipation, edema, and headache
Reduce heart rate, contractility, and O2 demand
Beta-blockers
B-blockers that are more cardioselective
Beta C2001-selective blockers
Cardioselective Beta 1-blockers
Atenolol, acebutolol, and metoprolol
Beta-blockers should be used cautiously in
Asthma (bronchospastic effects), diabetes (block signs of hypoglycemia) and peripheral vascular disease
Non-selective Beta-blocker also used for migraine prophylaxis
Propranolol
SE of beta blockers
Bradycardia, SEXUAL DYSFUNCTION, decrease in HDL, and increase in Triglycerols (TG)
Alpha 1selective blockers
Prazosin, terazosin and doxazosin (-AZOSIN ending)

Non-selective Alpha1blockers use to treat pheochromocytoma

Phenoxybenzamine & Phentolamine

For rebound HTN from rapid clonidine withdrawal

Phentolamine

A1a-selective blocker with no effects on HTN used for BPH

Tamsulosin (Flomax)

SE of alpha blockers

Orthostatic hypotension (especially with first dose) and reflex tachycardia

Presynaptic Alpha 2 agonist used in HTN, and acts centrally

Clonidine, and methyldopa

SE of methyldopa

Positive Comb's test, depression

Methyldopa is contraindicated in

Geriatrics due to its CNS (depression) effects

SE of clonidine
Rebound HTN, sedation, dry mouth
Direct vasodilator of arteriolar smooth muscle

Hydralazine

SE of hydralazine

Lupus-like syndrome

Arterial vasodilator that works by opening K+ channels
Minoxidil
SE of minoxidil

Hypertrichosis

IV Drug used Hypertensive Crisis

Nitroprusside

Nitroprusside vasodilates

Arteries and veins

Toxicity caused by nitroprusside and treatment
Cyanide toxicity treated with sodium thiosulfate

Pt is on diuretics and has an arrhythmia; potential worry about administration of digitalis?

hypokalemia

SE: of diuretics due to competing organic acid secretory systems

Gout

Drugs that are centrally acting sympathoplegic

1. Methyldopa


2. Clondidine

MOA of Methyldopa

alphamethylnorepinephrine is stored in adrenergic nerve vesicles replacing norepinephrine


- stimulates central alphaadrenoceptors

SE due to decreased in norepinephrine associated with central acting sympathoplegic drugs

1. inhibition of ejaculation


2. hypotension (orthostatic)

DOC for hypertension in pregnancy

Methyldopa (high protein binding)

SE associated with Methyldopa

depression, nightmares, vertigo, extrapyramidal signs, lactation, (+) Coombs test

Clonidine MOA

stimulation of alpha adrenoceptors in arterioles: reduces sympathetics and increases parasympathetics

Concomitant treatment with what drug causes block in clonidines effect?
tricyclic antidepressants

Guanethidine MOA

inhibits release of Nep (SNAPS) from sympathetic nerve endings. Gradual depletion of Nep.

Use of Guanethidine is blocked via?

1. catechoamine uptake blockers (cocaine, amphetamine, tricyclic antidepressants, phenothiazines, phenoxybenzamine


2. pheochromocytoma (followed by severe HtN)


Reserpines MOA

blocks VMAT, effects on adrenergic vesicles are irreversible ( decrease Nep, Dopa, 5HT)

Effects of Propranolol

1. decreased CO


2. decreased TPR


3. inhibits stimulation renin (Beta 1R)

Metoprolol is extensively metabolized by...

CYP 2D6

What drug is useful in hypertension of pheochromocytoma and hypertensive emergencies?

Labetalol (both Beta and alpha blocker)

Which Beta blocker causes vasodilation not through alpha channels?

Nebivolol: increased endothelial release of NO

Vasodilators that work through ATP dependant potassium channels

1. Minoxidil


2. Diazoxide

Vasodilator that can be used in pregnancy

Hydralazine

What SE cause Minoxidil to be used always in combo with Beta blocker and loopdiuretic?

Reflex sympathetic stim


sodium and fluid retention

Vasodilator that also inhibits insulin release from pancreas (can be used for insulinoma)

Diazoxide

MOA for Fenoldopam

agonist of dopamine (D1) receptors


dilation of peripheral arteries

SE Fenoldopam

increased intraocular pressure


reflex Tach

Calcium channel blocker given IV only

Clevidipine

Calcium channel blockers used as more selective vasodilators

Nifedipine


dihydropyridine

DOC to manage intraoperative and posoperative hypertension

Esmolol