FREE EKG Certification Trivia Question and Answers Flashcards
6 cards from real EKG certification Certification practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 FREE EKG Certification Trivia Question and Answers flashcards as text
Which EKG finding is characterized by a shortened PR interval and a delta wave?
Answer: Wolff-Parkinson-White syndrome
WPW syndrome features a short PR interval, delta wave, and widened QRS due to an accessory pathway.
What is the normal duration of the QRS complex?
Answer: 0.06–0.10 seconds
A normal QRS complex lasts 0.06 to 0.10 seconds, representing ventricular depolarization.
An EKG shows absent P waves with an irregularly irregular rhythm. What is the most likely interpretation?
Answer: Atrial fibrillation
Atrial fibrillation is defined by absent P waves replaced by fibrillatory waves and an irregularly irregular ventricular response.
Which lead is best for evaluating right ventricular hypertrophy on a 12-lead EKG?
Answer: V1
Lead V1 sits over the right ventricle and shows tall R waves when right ventricular hypertrophy is present.
What does a prolonged QT interval increase the risk of?
Answer: Torsades de pointes
A prolonged QT interval predisposes to torsades de pointes, a polymorphic ventricular tachycardia that can degenerate into ventricular fibrillation.
On an EKG rhythm strip, each small box on the horizontal axis represents how many seconds?
Answer: 0.04 seconds
At standard paper speed of 25 mm/s, each 1 mm small box equals 0.04 seconds.