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In patients with atrial fibrillation (AF)

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Cardiovascular

SECTION A: Read each question carefully and record the answer "TRUE" or "FALSE":

1. The pain of myocardial ischemla:

a) Is typically Induced by exercise and relieved by rest.

b) Radiates to the neck and Jiw but not teeth.

c) Rarely lasts longer than 10 seconds after resting.

d) Is easily distinguished from oesophageal pain.

e) Invariably worsens as exercise continues.

 

2. The pulse characteristic listed below are typical features of the following disorders:

a) Pulsus bisferiens-combinfed, mitral stenosis and regurgitation

b) Pulsus paradoxus- aortic regurgitation.

c) Collapsing pulse-severe anaemia.

d) Pulsus altemans-extrasystoles every alternate beat.

e) Slow rising pulse-mitral stenosis.

 

3. The following statements about the jugular venous pressure (JVP) are true:

a) The external jugular vein is a reliable guide to right atrial pressure.

b) The JVP is conventionally measured from the suprastenal notch.

c) The normal JVP, unlike the blood pressure, does not rise with anxiety.

d) The normal JVP does not rise on abdominal compression.

e) The normal JVP falls during inspiration.

 

 

4. The auscuitatory findings listed below are associated with the following phenomena:

a) Third heart sound-opening of mitral valve.

b) Varying intensity of first heart soupd-atrioventricular dissociation.

c) Soft first heart sound-mitral stenosis.

d) Reversed splitting of second heart sound-left bundle branch lock.

e) Fourth heart sound-atrial fibrillation.

 

5. The cardiac drugs listed below are associated with the following adverse effects:

a) Digoxin-acute confusional state.

b) Verapamil-constipation.

c) Amiodarone-photosensitivity.

d) Propafenone-comeal microdeposits.

e) Lignocaine-convulsions.

 

In the normal electrocardiogram

a) the PR interval is measured from the end of the P wave to the beginning of the R wave

b) each small square represents 40 milliseconds at a standard paper speed of 25 mm/sec

c) the heart rate is 75 per minute if the R-R interval measuras by squares

d) Rwaves- become progressively larger from leads V1-V6

e) the P wave represents sinoatrial node depolarization

 

The pulse characteristics listed below are typical features of the following disorders

a) pulsus bisferiens - combined mitral stenosis and regurgitation

b) pulsus paradoxus -aortic regurgitation

c) collapsing pulse - severe anaemia

d) pulsus altemans - extrasystoles every alternate beat

e) slow rising pulse -mitral stenosis

The abnormalities of the jugular venous pulse listed below are associated with the following disorders

a) cannon waves - pulmonary hypertension

b) giant a waves - tricuspid stenosis

c) v waves - tricuspid regurgitation

d) inspiratory rise in jugular venous pressure - pericardia! Tamponade

e) absent a waves - atrioventricular dissociation

The auscultatory findings listed below are associated with the following phenomena

a) third heart sound - opening of mitral valve

b) varying intensity of first heart sound - atrioventricular dissociation

c) soft first heart sound - mitral stenosis

d) reversed splitting of second heart sound - left bundle branch block

e) fourth heart sound--atrial fibrillation

 

In patients with atrial fibrillation (AF)

a) aspirin therapy alone does not reduce the risk of stroke

b) the radial pulse is typically irregularly irregular

c) the response in cardiac output to exercise is reduced due to the absence of atrial systole

d) elective direct current (DC) cardioversion is contraindicated during anticoagulant therapy

e) alcohol abuse should be considered as a likely cause

 

Digoxln

a) shortens the refractory period of conducting tissue

b) usually converts atrial flutter to sinus rhythm

c) acts primarily on 'cell membrane Ionic pumps

d) effects are potentiated by hyperkalaemia

e) is a recognised cause of ventricular arrhythmias

 


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