Quiz: ECG MCQs


ECG MCQsOnline version ECG Workshop MCQs by 075 Museera Areej 1 Identify the rhythm a Sinus Bradycardia b Normal Sinus Rhythm c Atrial Fibrillation d Ventricular Rhythm 2 What is the approximate heart rate? a 45 b 55 c 65 d 75 3 Identify the pathology a Left bundle branch block b Right bundle branch block c Ventricular fibrillation d Ventricular tachycardia 4 A 70-year-old woman with a history of chronic heart failure and atrial fibrillation presents to the emergency department with nausea, vomiting, visual disturbances (“yellow-green halos”), and dizziness. She has been taking digoxin 0.25 mg daily along with furosemide for the past few months. On examination: Pulse: irregular, 48 bpm BP: 98/60 mmHg Mild confusion No chest pain a Hypokalemia b Myocardial ischemia c Digoxin effect d Digoxin toxicity 5 A 25-year-old male faints during exercise. ECG shows a short PR interval and a delta wave (slurred upstroke of QRS). a Atrial flutter b Wolff-Parkinson-White syndrome c AV nodal reentrant tachycardia d Long QT Syndrome 6 A 70-year-old hypertensive man presents with sudden, crushing central chest pain radiating to the jaw. He is diaphoretic and restless. ECG shows ST elevation in leads V1–V4 and reciprocal depression in leads II, III, and aVF. Which artery is most likely occluded? a Left anterior descending b Left circumflex c Right coronary d Posterior descending 7 A 65-year-old man with a history of coronary artery disease presents with dizziness and palpitations. ECG shows a regular wide complex rhythm at 160 bpm with AV dissociation and capture beats. a SVT with abberancy b Ventricular tachycardia c Torsades de pointes d Atrial flutter 8 A 35-year-old woman with a history of long QT syndrome presents after a syncopal episode. ECG shows polymorphic VT with the QRS complexes appearing to twist around the baseline. a Ventricular fibrillation b Monomorphic VT c Torsades de pointes d Atrial flutter 9 A 45-year-old diabetic complains of sudden palpitations. ECG shows narrow QRS complexes at 180 bpm, no visible P waves, and a regular rhythm that starts and stops abruptly. a Atrial fibrillation b Sinus tachycardia c Ventricular tachycardia d Paroxysmal supraventricular tachycardia 10 Identify the pathology a Atrial flutter b Atrial fibrillation c sinus tachycardia d ventricular tachycardia

1

Identify the rhythm

a

Sinus Bradycardia

b

Normal Sinus Rhythm

c

Atrial Fibrillation

d

Ventricular Rhythm

2

What is the approximate heart rate?

a

45

b

55

c

65

d

75

3

Identify the pathology

a

Left bundle branch block

b

Right bundle branch block

c

Ventricular fibrillation

d

Ventricular tachycardia

4

A 70-year-old woman with a history of chronic heart failure and atrial fibrillation presents to the emergency department with nausea, vomiting, visual disturbances (“yellow-green halos”), and dizziness. She has been taking digoxin 0.25 mg daily along with furosemide for the past few months. On examination: Pulse: irregular, 48 bpm BP: 98/60 mmHg Mild confusion No chest pain

a

Hypokalemia

b

Myocardial ischemia

c

Digoxin effect

d

Digoxin toxicity

5

A 25-year-old male faints during exercise. ECG shows a short PR interval and a delta wave (slurred upstroke of QRS).

a

Atrial flutter

b

Wolff-Parkinson-White syndrome

c

AV nodal reentrant tachycardia

d

Long QT Syndrome

6

A 70-year-old hypertensive man presents with sudden, crushing central chest pain radiating to the jaw. He is diaphoretic and restless. ECG shows ST elevation in leads V1–V4 and reciprocal depression in leads II, III, and aVF. Which artery is most likely occluded?

a

Left anterior descending

b

Left circumflex

c

Right coronary

d

Posterior descending

7

A 65-year-old man with a history of coronary artery disease presents with dizziness and palpitations. ECG shows a regular wide complex rhythm at 160 bpm with AV dissociation and capture beats.

a

SVT with abberancy

b

Ventricular tachycardia

c

Torsades de pointes

d

Atrial flutter

8

A 35-year-old woman with a history of long QT syndrome presents after a syncopal episode. ECG shows polymorphic VT with the QRS complexes appearing to twist around the baseline.

a

Ventricular fibrillation

b

Monomorphic VT

c

Torsades de pointes

d

Atrial flutter

9

A 45-year-old diabetic complains of sudden palpitations. ECG shows narrow QRS complexes at 180 bpm, no visible P waves, and a regular rhythm that starts and stops abruptly.

a

Atrial fibrillation

b

Sinus tachycardia

c

Ventricular tachycardia

d

Paroxysmal supraventricular tachycardia

10

Identify the pathology

a

Atrial flutter

b

Atrial fibrillation

c

sinus tachycardia

d

ventricular tachycardia

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ECG MCQs

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ECG MCQsOnline version

by 075 Museera Areej

Identify the rhythm

What is the approximate heart rate?

Identify the pathology

A 25-year-old male faints during exercise. ECG shows a short PR interval and a delta wave (slurred upstroke of QRS).

A 70-year-old hypertensive man presents with sudden, crushing central chest pain radiating to the jaw. He is diaphoretic and restless. ECG shows ST elevation in leads V1–V4 and reciprocal depression in leads II, III, and aVF. Which artery is most likely occluded?

A 65-year-old man with a history of coronary artery disease presents with dizziness and palpitations. ECG shows a regular wide complex rhythm at 160 bpm with AV dissociation and capture beats.

A 35-year-old woman with a history of long QT syndrome presents after a syncopal episode. ECG shows polymorphic VT with the QRS complexes appearing to twist around the baseline.

A 45-year-old diabetic complains of sudden palpitations. ECG shows narrow QRS complexes at 180 bpm, no visible P waves, and a regular rhythm that starts and stops abruptly.

Identify the pathology

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