Category: Cardiology MCQ

Wilson central terminal is formed by: Correct answer: b) Connecting right arm, left arm and left leg electrodes together through a 5000 Ohms resistor Wilson central terminal serves

ECG lead II has: Correct answer: a) Positive pole at left leg and negative pole at right arm Right leg electrode is a ground electrode and does not

Paroxysmal nocturnal dyspnea usually occurs:  a) After sleep deprivation b) 10 – 15 minutes after the onset of sleep c) 2 – 4 hours after onset of sleep

This X-ray chest PA view is suggestive of: a) Right atrial enlargement b) Biatrial enlargement c) Biatrial enlargement with pulmonary venous hypertension c) Submitral aneurysm Please click here

This echocardiogram was taken in parasternal long axis view (diastolic image). What is the diagnosis? a) Aortic stenosis b) Mitral stenosis c) Pulmonary stenosis d) Tricuspid stenosis Post

Standard recording speed of an electrocardiographic paper is: a) 10 mm/s b) 25 mm/s c) 50 mm/s d) 100 mm/s Please click here for the correct answer.

Einthoven’s law or Einthoven’s equation for ECG leads It is regarding potentials in standard ECG limb leads (I, II and III) and can be stated as: a) I

Most commonly monitored ECG lead in cardiac monitors: a) Lead I b) Lead II c) Lead III d) Lead V4 Please click here for the correct answer

Wilson central terminal is formed by: a) Placing an electrode exactly at the centre of manubrium sternum b) Connecting right arm, left arm and left leg electrodes together

ECG lead II has: a) Positive pole at left leg and negative pole at right arm b) Positive pole at right leg and negative pole at left arm