BKAT ICU Post Test (final exam)

BKAT ICU Post Test (final exam) Nitroprusside purpose - CORRECT ANSWER-decreases preload and afterload by vasodilation (mainly afterload) Dobutamine mechanism of action - CORRECT ANSWER-contractility Dopamine at a low-end dose "renal dose" - CORRECT ANSWER-0.5-4mcg/kg/min increases renal and mesentric perfusion Dopamine at a mid-range dose - CORRECT ANSWER-4-10mcg/kg/min increases contractility and heart rate Dopamine at a high-range dose - CORRECT ANSWER-greater than 10mcg/kg/min vasoconstriction and increases BP Dopamine and Levophed infiltration - CORRECT ANSWER-leads to tissue necrosis Dopamine antidote - CORRECT ANSWER-regitine (phentolamine) TpA monitor for - CORRECT ANSWER-bleeding-hemorrhagic CVA diltiazem (cardizem) works by? - CORRECT ANSWER-(calcium channel blocker) slows ventricular rate by slowing conduction through the SA and AV node Diltazem (cardizem) biggest effect on which hemodynamic - CORRECT ANSWERhypotension diltazem is used for patients with - CORRECT ANSWER-a-fib or a-flutter amiodarone (Cordarone) is a - CORRECT ANSWER-antiarrythmic prolongs the cardiac duration You MUST use a __________ when using amiodarone infusion - CORRECT ANSWER0.22 micron filter Watch out for ____________ in patients on a amiodarone infusion - CORRECT ANSWER-hypotension, prolongation of QT interval and bradycardia amiodarone is used for patients with - CORRECT ANSWER-a-fib, a-flutter and VT how much amiodarone is given to a stable VT with a pulse and a unstable pulseless VT/VF? - CORRECT ANSWER-150mg over 10min for VT with pulse