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11 Cards in this Set
- Front
- Back
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Procainamide primarily inhibits depolarization through inhibition of which type of ion channel?
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sodium
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which of the following is not a property of digoxin?
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inhibition of a cAMP-dependent PDE
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What ARE the properties of digoxin?
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decreased conduction speed in AV node cells, resetting of mem potential to a less negative value, increased contractility, incrased vagal activity
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Which of the following agents would be useful for the most rapid treatment of stable angina?
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sublingual nitroglycerin
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captopril exerts its vasodilator effects on all of the following except:
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increasing aldosterone secretion
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which of the following agents would have the greatest direct effect on relaxation of the vasculature?
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prazosin
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which of the following drugs would not be the agent of choice for the treatment of a patient with angina and COPD?
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propranolol
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digoxin is sometimes used to treat atrial fibrillation because it
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promotes conduction block at AV node
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which of the following is true of clonidine for htn tx?
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adrenergic agonist that reduces sympathetic outflow
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diltiazem...
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slows ventricular rate resulting from atrial flutter, triggers tachycardia via BRR, reduces MAP, does not choose btwn cardiac or VSMC ca channels
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the class III antiarrhythmic drug amiodarone
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prolongs refractory periods and interrupts ventricular re-entry circuits
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