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?

    <p>Pulmonary hypertension</p> Signup and view all the answers

    What does a pathological Q wave indicate?

    <p>Necrosis</p> Signup and view all the answers

    What is the characteristic of first-degree heart block?

    <p>Fixed prolonged PR interval</p> Signup and view all the answers

    What is the characteristic of Mobitz type 2 phenomenon?

    <p>Regular rhythm with a fairly constant PR interval</p> Signup and view all the answers

    What is the characteristic of third-degree heart block?

    <p>Complete heart block</p> Signup and view all the answers

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

    <p>Variable PR intervals</p> Signup and view all the answers

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

    <p>36/min</p> Signup and view all the answers

    What is the origin of the rhythm in sinus rhythm?

    <p>SA node</p> Signup and view all the answers

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

    <p>Normal shape</p> Signup and view all the answers

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

    <p>Difficult to discern from T waves</p> Signup and view all the answers

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

    <p>Half of the atrial rate</p> Signup and view all the answers

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