Tricuspid Atresia

Report:

Atrial pacemaker rhythm 111/min (dual chamber pacemaker) 4

Left axis deviation (LAD) –60o 3

LVH with ST/T changes 3

Comment:

A cyanosed child with LAD most likely has tricuspid atresia; in one large series LAD was present in 87% of those with normally related great vessels14.

Also typical is the left ventricular preponderance. It is best to report it descriptively, as LVH with ST/T changes, even though this appearance may have different causes than in adults with LVH.

The pacemaker and the widespread T wave inversion followed surgery. Because of the atrial pacing, the prominent P waves reflecting right atrial enlargement are not in evidence.

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