Basic Electrocardiogram

Question 1

When treating atrial fibrillation, which of the following is NOT a rate-controlling medication?

Accepted Answer

Amlodipine

Answer

Metoprolol

Answer

Diltiazem

Answer

Digoxin

Question 2

On the ECG trace below, which rhythm is present?

Accepted Answer

First degree heart block

Answer

Second degree heart block

Answer

Junctional escape rhyhm

Answer

Sinus Rhythm

Question 3

In a patient with a history of known AF, what would NOT be a cause of slow atrial fibrillation?

Accepted Answer

Thyrotoxicosis

Answer

Digoxin

Answer

Complete Heart Block

Answer

Metroprolol

Question 4

Which way does lead II go on an ECG?

Accepted Answer

60 degrees

Answer

90 degrees

Answer

0 degrees

Answer

30 degrees

Question 5

Which antiemetics would NOT cause the QT interval to lengthen?

Accepted Answer

Metoclopramide

Answer

Domperidone

Answer

Ondansetron

Answer

Droperidol

Question 6

Which of the following rhythm's origins is most likely?

Accepted Answer

Atria

Answer

Ventricle

Answer

Sinus node

Answer

AV node

Question 7

Which of the following has the lowest chance of causing atrial fibrillation to occur?

Accepted Answer

Pericardial effusion

Answer

Pulmonary embolism

Answer

Myocardial infarction

Answer

Mitral stenosis