Holt Oram syndrome – MCQ – Answer
Fingerized thumb with an extra phalanx is seen in Holt Oram syndrome. Commonest cardiac lesion in this condition is – Correct answer: a) Atrial septal defect
The ‘fingerized thumb’ is in the same plain as the other fingers so that it is difficult to appose thumb and fingers as in a normal person. There is often hypoplasia of the radial aspect of the forearm. This causes difficulty in supination and pronation. Holt Oram syndrome is an autosomal dominant disorder.
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