BKAT ICU Post Test 2023 (solved)

Nitroprusside purpose - Answer- decreases preload and afterload by vasodilation (mainly afterload) Dobutamine mechanism of action - Answer- contractility Dopamine at a low-end dose "renal dose" - Answer- 0.5-4mcg/kg/min increases renal and mesentric perfusion Dopamine at a mid-range dose - Answer- 4-10mcg/kg/min increases contractility and heart rate Dopamine at a high-range dose - Answer- greater than 10mcg/kg/min vasoconstriction and increases BP Dopamine and Levophed infiltration - Answer- leads to tissue necrosis Dopamine antidote - Answer- regitine (phentolamine) TpA monitor for - Answer- bleeding-hemorrhagic CVA diltiazem (cardizem) works by? - Answer- (calcium channel blocker) slows ventricular rate by slowing conduction through the SA and AV node Diltazem (cardizem) biggest effect on which hemodynamic - Answer- hypotension diltazem is used for patients with - Answer- a-fib or a-flutter amiodarone (Cordarone) is a - Answer- antiarrythmic prolongs the cardiac duration You MUST use a __________ when using amiodarone infusion - Answer- 0.22 micron filter Watch out for ____________ in patients on a amiodarone infusion - Answer- hypotension, prolongation of QT interval and bradycardia amiodarone is used for patients with - 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? - Answer- 150mg over 10min for VT with pulse