Exam UPDATED ACTUAL QUESTIONS
AND CORRECT ANSWERS
Ventricular contraction triggered by the His-Purkinje fibers. Usually occurs in isolated
episodes - CORRECT ANSWER Premature Ventricular Contractions (PVC)
His-purkinje fibers - CORRECT ANSWER Premature Ventricular Contractions (PVC)
originate where?
Sudden high amplitude QRS wave, followed by normal sinus activity - CORRECT
ANSWER Premature Ventricular Contractions (PVC) EKG finding
Premature Ventricular Contractions (PVC) - CORRECT ANSWER EKG finding:
sudden high amplitude QRS wave, followed by normal sinus activity= ?
Normal pts, post-MI Pts, digoxin toxicity - CORRECT ANSWER Premature
Ventricular Contractions (PVC) can present in who?
Digoxin - CORRECT ANSWER Premature Ventricular Contractions (PVC) can be a
result of toxicity w/ what drug?
1) EKG to confirm; 2) look at electrolytes, medications to find cause - CORRECT
ANSWER Premature Ventricular Contractions (PVC): 2 step diagnosis
Premature Ventricular Contractions (PVC); the third QRS is weird and extra high -
CORRECT ANSWER What EKG finding is this, and how do you know?
Every 4 beats is a PVC - CORRECT ANSWER quadrigeminy