Arrhythmias

Multiple Choice

Which AV block is characterized by a regular sinus rhythm, a PR interval greater than 0.20 seconds, and all beats being present?

• First Degree AV Block

• Mobitz I

• Mobitz II

• Third Degree AV Block

Open Ended

Compare Mobitz I and Mobitz II AV blocks in terms of PR interval changes and risk factors.

Multiple Select

Which features are associated with Third Degree AV Block?

• No P-QRS link

• AV dissociation

• Emergency

• Dropped QRS

Multiple Choice

Based on the comparison table, which AV block type is associated with a sudden pattern and a constant PR interval?

• First Degree

• Mobitz I

• Mobitz II

• Third Degree

Open Ended

What are the three clinical priorities when managing a patient with an AV block?

Multiple Choice

Which step comes after 'Observe' in the treatment ladder for bradyarrhythmias?

• Atropine

• Pacing

• Defibrillation

• Amiodarone

Multiple Choice

Identify the rhythm OR best answer choice

• First Degree

• Mobitz I

• Mobitz II

• Third Degree

Open Ended

Compare the ECG rhythms shown in Exam Question 1 and Exam Question 2. What are the key differences in the conduction abnormalities presented?

Open Ended

How does understanding the normal PR interval help in diagnosing heart blocks?

Multiple Choice

What is the normal range for the PR interval on an ECG?

• 0.12–0.20 sec

• 0.08–0.12 sec

• 0.20–0.28 sec

• 0.10–0.18 sec