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ECG Interpretation: Atrial Enlargement and Ventricular Hypertrophy

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ECG Interpretation: Atrial Enlargement and Ventricular Hypertrophy

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Questions and Answers

What is the characteristic of P wave in lead II in right atrial enlargement?

P wave is broad and bifid

P wave is tall and peaked (correct)

P wave is U-shaped

P wave is notched

What is the cause of left atrial enlargement?

Pulmonary hypertension

Tricuspid regurge

Pulmonary embolism

Mitral stenosis (correct)

What is the characteristic of right ventricular enlargement?

Right axis deviation

Inverted T in V1, V2, and V3

Tall R in V1 and deep S in V6

Tall R in V6 and deep S in V1 (correct)

What is the cause of right ventricular enlargement?

Pulmonary hypertension (B) Signup and view all the answers

What does a pathological Q wave indicate?

Necrosis (D) Signup and view all the answers

What is the characteristic of first-degree heart block?

Fixed prolonged PR interval (B) Signup and view all the answers

What is the characteristic of Mobitz type 2 phenomenon?

Regular rhythm with a fairly constant PR interval (C) Signup and view all the answers

What is the characteristic of third-degree heart block?

Complete heart block (A) Signup and view all the answers

What is the characteristic of the PR interval in complete heart block?

Variable PR intervals (C) Signup and view all the answers

What is the rate of the QRS complex in complete heart block?

36/min (B) Signup and view all the answers

What is the origin of the rhythm in sinus rhythm?

SA node (B) Signup and view all the answers

What is the characteristic of the QRS complex in sinus rhythm?

Normal shape (D) Signup and view all the answers

What is the characteristic of the P wave in atrial rhythm with a rate of 250/min?

Difficult to discern from T waves (B) Signup and view all the answers

What is the characteristic of the ventricular rate in 2:1 block?

Half of the atrial rate (B) Signup and view all the answers