HCA TELEMETRY ECG INTERPRETATION EXAM QUESTIONS AND ANSWERS|ACCURATE|VERIFIED 2026

HCA TELEMETRY ECG INTERPRETATION EXAM
QUESTIONS AND ANSWERS


Question 1

Which ECG component represents ventricular repolarization?

A. P wave
B. QRS complex
C. PR interval
D. T wave

ANSWER: D. T wave
Explanation: The T wave reflects ventricular repolarization

Question 2

A QRS duration > 0.12 seconds indicates:

A. Normal conduction
B. Atrial rhythm
C. Bundle branch block / ventricular origin
D. Sinus rhythm

ANSWER: C. Bundle branch block / ventricular origin

Question 3

Which node normally initiates the heartbeat?

A. AV node
B. Bundle of His
C. Purkinje fibers
D. SA node

ANSWER: D. SA node

Question 4

Interpret the rhythm:

,P QRS T P QRS T
/\ | | /\ /\ | | /\

A. Atrial fibrillation
B. Normal sinus rhythm
C. Ventricular tachycardia
D. PVC

ANSWER: B. Normal Sinus Rhythm

Question 5

Interpret the rhythm:

~ ~ ~ | | ~ ~ ~ | | ~ ~ ~

A. Atrial flutter
B. Atrial fibrillation
C. Sinus tachycardia
D. Junctional rhythm

ANSWER: B. Atrial Fibrillation
Key: Irregular + no P waves

Question 6

Interpret the rhythm:

/\/\/\/\/\ | | /\/\/\/\/\

A. Atrial fibrillation
B. Atrial flutter
C. Ventricular tachycardia
D. Sinus rhythm

ANSWER: B. Atrial Flutter

Question 7

Interpret the rhythm:

| | | | | | | |
| | | | | | | |

A. SVT
B. Ventricular tachycardia

, C. Atrial flutter
D. Sinus tachycardia

ANSWER: B. Ventricular Tachycardia

Question 8

Interpret the rhythm:

~~~~~~~~~~~~~~
~~~~~~~~~~~~~~

A. Asystole
B. Ventricular fibrillation
C. Atrial fibrillation
D. Sinus arrhythmia

ANSWER: B. Ventricular Fibrillation

Question 9

Interpret the rhythm:

----------------------

A. Ventricular fibrillation
B. Asystole
C. Sinus bradycardia
D. Heart block

ANSWER: B. Asystole


Question 10

A patient has:

• HR: 45 bpm
• Regular rhythm
• P waves present

Diagnosis?

A. Sinus tachycardia
B. Sinus bradycardia