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what should you do when administering dopamine and the patient develops sinus tach?
stop the dopamine
what is the immediate treatment for vfib?
defib immediately; use epi and antidrysrhymics then repeat defib
how soon do you want to give fibrinolytic therapy to a pt arriving in the ER with an acute MI?
what should you assess for when giving a pt fibrinolytics?
reperfusion dysrhythmias, bleeding, onset of hypotension
what does Dig do?
increases contractility of heart, decreases HR; requires the myocardium to use more O2
which medication is most effective in failure associated with low cardiac output caused by ischemic, rheumatic, hypertensive or congenital heart disease?
What does dopamine in low doses do?
causes vasodilation in the renal, mesenteric, cerebral and coronary vascular beds, primarily resulting in increased renal blood flow, glomerular filtration rate, and sodium excretion
what type of drugs are used for cardiac tamponade?
beta-adrenergic blocking agent such as propranolol; ca channel blockers
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