Cardiology - Investigation of Cardiac Disease
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Questions and Answers

What is the most useful and widely used investigation for evaluating the cardiac patient?

  • Echocardiography
  • Cardiac catheterization
  • Cardiac MRI
  • Electrocardiography (ECG) (correct)

Which of the following is considered a normal axis in ECG?

  • -30° to +60°
  • -90° to +120°
  • -120° to +90°
  • -30° to +90° (correct)

What does a prolonged PR interval in ECG indicate?

  • Normal heart rhythm
  • Normal conduction system
  • 1st degree atrioventricular block (correct)
  • Wolff-Parkinson-White (WPW) syndrome

Which condition may be indicated by poor R wave progression or QS waves in anterior leads on ECG?

<p>Old anterior infarction (D)</p> Signup and view all the answers

What type of heart rhythm does a variable PR interval in ECG indicate?

<p>Wenckebach block (A)</p> Signup and view all the answers

Which investigation provides information about the heart's structural and functional aspects using sound waves?

<p>Echocardiography (A)</p> Signup and view all the answers

What is the normal range for QTc (corrected QT interval) in an adult male?

<p>Between 431-450 ms (C)</p> Signup and view all the answers

What is the most common cause of minor T wave inversion on an EKG?

<p>Electrolyte disturbances (A)</p> Signup and view all the answers

When is ambulatory blood pressure monitoring warranted?

<p>When there is uncertainty about adequate blood pressure control (A)</p> Signup and view all the answers

What is the purpose of exercise EKG stress testing (EST)?

<p>To detect evidence of myocardial ischemia or arrhythmia during exercise (D)</p> Signup and view all the answers

What does deep T wave inversion on an EKG indicate?

<p>Acute myocardial ischemia (B)</p> Signup and view all the answers

What is the advantage of echocardiography in cardiology?

<p>It allows reliable imaging even in critically ill patients (A)</p> Signup and view all the answers

When is Holter monitoring of the EKG performed?

<p>When detail is required to elucidate the cause of a patient’s irregular heart rhythm (A)</p> Signup and view all the answers

What can be identified on a chest X-ray (CXR) in relation to cardiac dysfunction?

<p>Pulmonary edema (B)</p> Signup and view all the answers

What does physiological ST elevation in anterior leads indicate?

<p>'Early repolarization' (A), 'Early repolarization' (C)</p> Signup and view all the answers

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