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ECG Diagnosis of Cardiac Enlargements

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Questions and Answers

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

Tall and peak (correct)

Broad and bifid

Tall and narrow

Short and flat

What is the cause of left atrial enlargement?

Mitral stenosis (correct)

Tricuspid resurge

Pulmonary hypertension

Pulmonary embolism

What is the characteristic of right ventricular enlargement in lead V6?

Tall R wave

Reversal of normal pattern (correct)

Deep S wave

Inverted T wave

What is the diagnosis of a tall R wave in VI and a deep S wave in V6?

Right ventricular enlargement (D) Signup and view all the answers

What is the significance of a pathological Q wave?

Necrosis (B) Signup and view all the answers

What is the characteristic of first-degree heart block?

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

What is the characteristic of Mobitz type 2 phenomenon?

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

What is the characteristic of third-degree heart block?

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

What is a defining characteristic of complete heart block?

No relationship between P waves and QRS complexes (D) Signup and view all the answers

Where does the rhythm originate in a nodal rhythm?

AV node (D) Signup and view all the answers

How would the QRS complex appear in a heart with a normal conduction through the AV node?

Normal shape (D) Signup and view all the answers

ECG Diagnosis of Cardiac Enlargements

Choose a study mode

Podcast

Questions and Answers

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

What is the cause of left atrial enlargement?

What is the characteristic of right ventricular enlargement in lead V6?

What is the diagnosis of a tall R wave in VI and a deep S wave in V6?

What is the significance of a pathological Q wave?

What is the characteristic of first-degree heart block?

What is the characteristic of Mobitz type 2 phenomenon?

What is the characteristic of third-degree heart block?

What is a defining characteristic of complete heart block?

Where does the rhythm originate in a nodal rhythm?

How would the QRS complex appear in a heart with a normal conduction through the AV node?

What is the ventricular rate if the atrial rate is 250 bpm and a 2:1 block is present?

What is a feature of sinus bradycardia?

Which of the following is true for an atrial rate greater than 250 bpm?

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