Ch. 46 Vasodilators Flashcards
Adverse effects related to vasodilation
postural hypotension, reflex tachycardia, expansion of blood volume
Major nursing implication for patients on vasodilators
Fall risk!! , assess for postural hypotension
Hydralazine action
dilation of arterioles
Hydralazine uses
HTN, hypertensive crisis, HF
Hydralazine adverse effects
reflex tachycardia, increased blood volume, SLE
Minoxidil action
dilation of arterioles
Minoxidil uses
severe HTN, -reserved for patients who have not responded to safer drugs, topical-hair loss
Minoxidil adverse effects
reflex tachycardia, sodium and water retention, pericardial effusion, excessive hair growth
Sodium nitroprusside action
venous and arteriole dilation
Sodium nitroprusside uses
hypertensive emergencies
Sodium nitroprusside adverse effects
excessive hypotension, cyanide poisoning, thiocynate toxicity