EKG certification Certification FREE EKG Certification Interpretation Question and Answers 2

Question 1

A patient's EKG shows a regular rhythm with sawtooth-shaped waves best seen in leads II, III, and aVF, with a ventricular rate of approximately 150 bpm. What is the most likely interpretation?

Accepted Answer

Atrial flutter with 2:1 conduction

Answer

Atrial fibrillation with rapid ventricular response

Answer

Supraventricular tachycardia

Answer

Sinus tachycardia

Question 2

On a 12-lead EKG, ST elevation is noted in leads V1 through V4. Which coronary artery is most likely occluded?

Accepted Answer

Left anterior descending artery

Answer

Right coronary artery

Answer

Left circumflex artery

Answer

Posterior descending artery

Question 3

A rhythm strip shows an irregularly irregular rhythm with no discernible P waves and a narrow QRS complex. What is the correct interpretation?

Accepted Answer

Atrial fibrillation

Answer

Multifocal atrial tachycardia

Answer

Wandering atrial pacemaker

Answer

Second-degree AV block Type I

Question 4

Which EKG finding is most consistent with hyperkalemia?

Accepted Answer

Peaked T waves with widened QRS

Answer

Prolonged QT interval

Answer

U waves following T waves

Answer

ST depression in lateral leads

Question 5

A patient presents with chest pain and the EKG shows ST elevation in leads II, III, and aVF with reciprocal ST depression in leads I and aVL. Which type of myocardial infarction does this indicate?

Accepted Answer

Inferior MI

Answer

Anterior MI

Answer

Lateral MI

Answer

Posterior MI

Question 6

What does a prolonged PR interval greater than 200 ms on an EKG indicate?

Accepted Answer

First-degree AV block

Answer

Bundle branch block

Answer

Second-degree AV block Type II

Answer

Wolff-Parkinson-White syndrome