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15 Cards in this Set

  • Front
  • Back
Your pt is going to be put on heparin what food allergies are contraindicated ?
What do nitrates do?
relax vascular smooth muscle promoting vasodilation,improve myocardial perfusion by dilating coronary arteries,decrease venous return by venous dilation and pooling,reduce LVEDV and pressure,decreases myocardial O2 demand and relieve chest discomfort due to ischemia
Nitrates are known as what type of drug?
three types of angina pectoris?
cardiac glycosides occur naturally in?
the foxglove plant
what is the advantage of ace inhibitors?
absence of side effects:
*does not interfere with beta receptors
*does not cause K+ depletion
What is the most dangerous side effect of ace inhibitors?
pronounced hypotension after first dose
The antihypertensives that are direct have what side effect? what is the protype?
side effect:reflex tachycardia
what is sodium Nitroprusside? when is it used?
it's a direct vasodilator used in emergent situations
the antihypertensives that are ganglionic blocking agents are________anatgonist?what is the protype?
nicotine antagonist, prototype: trimethaphan (Arfonad)
Is trimethaphan commonly used? why or why not?
No, because it's dangerous competitive anatagonism results in a blocking of the autonomic nervous system
the prototype antihypertensive drug Lopressor works by?
selective beta 1 blockade, decreases contractility reducing cardiac output,reduces reflex tachycardia,represses renin release in the kidneys.
thiazides work where?
early part of the distal convoluted tubules and therefore cannot block as much Na+ from reabsorption
why are K+ sparing agents not very potent? name prototype?
they act so late in nephritic loop
Anesthetics do what?
induce a state of anesthesia, or loss of sensation to touch or pain