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10 Cards in this Set

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first line for HTN in pregnancy with methyldopa
Reason for methyldopa
hydralazine
reflex tachycardia
vasodilator
MOA of hydralazine
increase cGMP-->smooth muscle relaxation (arterioles more than venules)
block L type Ca2+ channels most in vascular smooth muschl
nifedipine>diltazam>verapamil
drug for Raynaud's
nifedipine
diltazam
verapamil
used in angina, arythmias and hypertension. Which one can't be used in arythmias
nifedipine (not in arythmias)
diltazam
verapamil
release of NO causes what in smooth muscle
increase cGMP and relaxation
nitroglycerin and isosorbide dinitrate do this to preload
decrease it
What classes of drugs can be used in antianginal therapy
What is the goal
nitrates
b-blockers
nitrates+beta-blockers
calcium channel blockers
decrease O2 consuumption by decreaseing preload, bp, heart rate or contractility
nitrates cause what changes in:
preload
contractility
HR
decrease preload
reflex increase in contractility and HR (like nifedipine)
B-blockers cause what changes in:
preload
contractility
HR
increase preload
decrease contractility and HR (like verapamil)