PCCN: Cardiac Pharmacology Exam Questions and Answers

PCCN: Cardiac Pharmacology Exam Questions and Answers Inotropes - Correct Answer ️️ -Agent that alters the force or energy of muscular contractions. Milrinone (Primacor) Dobutamine Dobutamine - Correct Answer ️️ -Positive inotrope for both preload and after load reduction Increases HR and contractility with no effect on BP - therefore increases CO Problems: tachycardia and tolerance ok <72h (3days) less effective if pt on beta blockers or with chronic HF IV admin only - rapid onset 2-10mg/kg/min D5 or NS Milrinone - Correct Answer ️️ -Effective as a positive inotrope and VASODILATOR Increase CO by increasing contractility and decreasing after load Decrease in CVP (preload), SVR and PAOP No change in HR NS only loading dose 0.375-0.75 mcg/kg/min Vasopressors - Correct Answer ️️ -Epinephrine Norepinephrine - not first line d/t powerful vasoconstriction Dopamine - first line - 3 dosing levels Vasopressin Dopamine - Correct Answer ️️ -IV admin o