Cardio Flashcards
1
Q
82 yo man with fatigue and palpitations. Intravenous digoxin is administered. whats the mechanism of action of lowering HR with digoxin?
A
Digoxin slows ventricular rate during AP by increasing parasympathetic tone.
2
Q
relative erythrocytosis?
A
decrease in plasma volume (from use of diuretics, and no increase in RBC mass
