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Cardiology - Investigation of Cardiac Disease

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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?

Old anterior infarction Signup and view all the answers

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

Wenckebach block Signup and view all the answers

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

Echocardiography Signup and view all the answers

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

Between 431-450 ms Signup and view all the answers

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

Electrolyte disturbances Signup and view all the answers

When is ambulatory blood pressure monitoring warranted?

When there is uncertainty about adequate blood pressure control Signup and view all the answers

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

To detect evidence of myocardial ischemia or arrhythmia during exercise Signup and view all the answers

What does deep T wave inversion on an EKG indicate?

Acute myocardial ischemia Signup and view all the answers

What is the advantage of echocardiography in cardiology?

It allows reliable imaging even in critically ill patients Signup and view all the answers

When is Holter monitoring of the EKG performed?

When detail is required to elucidate the cause of a patient’s irregular heart rhythm Signup and view all the answers

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

Pulmonary edema Signup and view all the answers

What does physiological ST elevation in anterior leads indicate?

'Early repolarization' Signup and view all the answers