Which congenital heart disease is the most common cause of cyanosis in older children?
Answer and explanation
Correct answer: D. Tetralogy of Fallot
- Step 1: Tetralogy of Fallot is the commonest cyanotic congenital heart disease beyond infancy.
Answer
Tetralogy of Fallot.
Why not the others: Atrial septal defect, Coarctation and Patent ductus arteriosus do not fit.
Practise more Clinical Cases.
Free questions with an explanation for every one, and full timed SMLE (Saudi Medical Licensing Exam) mock tests.
More Clinical Cases questions
- A 3-month-old infant has fever, poor feeding and a bulging anterior fontanelle. What is the next step?
- A 6-month-old has paroxysmal drawing up of the legs, vomiting and redcurrant jelly stool. What is the diagnosis?
- A 3-week-old boy has projectile non-bilious vomiting after every feed and a palpable olive-shaped mass. What is the diagnosis?
- A newborn has bilious vomiting on the second day of life and a double-bubble sign on abdominal X-ray. What is the diagnosis?
- A 2-year-old has a barking cough, stridor and a steeple sign on neck X-ray. What is the treatment?
- A 4-year-old has fever, drooling, muffled voice and a toxic look. What is the diagnosis?