Cardiology pance uworld - Study guides, Class notes & Summaries

CARDIOLOGY PANCE (UWORLD) WITH COMPLETE SOLUTIONS 100% cardiac drug which blocks sympathetic activity? - correct answer beta blockers (decrease in rate of impulse generation at the AV node and increases the refractory period at the AV node). Does not increase QRS interval this drug increases intracellular sodium and thus reduces sodium calcium exchange activity. enhances vagal tone and decreases conduction through the AV node? - correct answer digoxin drug which is occasionally used in ...