Nokea
All the following statements about spontaneous coronary artery dissection are true, except
- A. More common in young females
- B. Proximal coronary involvement associated with immuno-inflammatory disease
- C. Intra-coronary imaging shows 'accordion sign'
- D. Physical stress precipitates it by causing intimal tear
Correct Answer: C
Rationale: The 'accordion sign' is not typically associated with spontaneous coronary artery dissection.
You may also like to solve these questions
In urgent situations of supraventricular tachycardia (SVT) when symptoms of severe heart failure have already occurred, the initial management is
- A. adenosine by rapid intravenous push
- B. DC cardioversion
- C. verapamil
- D. digoxin
Correct Answer: B
Rationale: DC cardioversion is the preferred initial management in hemodynamically unstable SVT.
Dome and dart P wave in lead V1 in electrocardiogram is suggestive of which of the following?
- A. Dextrocardia
- B. Left atrial ectopic rhythm
- C. Biatrial enlargement
- D. Mitral stenosis
Correct Answer: C
Rationale: The dome and dart P wave morphology is characteristic of biatrial enlargement, often seen in conditions like mitral stenosis and atrial fibrillation.
Acute laryngotracheobronchitis in children:
- A. Needs to be treated by broad-spectrum antibiotics
- B. Humidified oxygen by tent needs to be administered in infancy
- C. Dexamethasone is known to shorten the duration of illness
- D. Adrenaline by nebuliser is absolutely contraindicated
Correct Answer: C
Rationale: Dexamethasone, a corticosteroid, is known to reduce inflammation and shorten the duration of illness in acute laryngotracheobronchitis (croup).
Common diseases presenting as a rash in infancy are:
- A. Measles
- B. Parvovirus B 19 infection
- C. Leukaemia
- D. Lymphoma
Correct Answer: A
Rationale: Measles
What are FIVE immediate management steps for an infant with Tetralogy of Fallot presenting with saturations of 60%?
- A. Knees to chest
- B. Calm baby
- C. Oxygen
- D. Beta-blocker
Correct Answer: A
Rationale: The knees-to-chest position helps increase systemic vascular resistance, improving oxygen saturation in a tetralogy of Fallot crisis.