The presence of left axis detion beyond -30deg in electrocardiogram suggests
Correct Answer: Ostium primum ASD
Description: The electrocardiogram of ostium secundum ASD is characterized by right axis detion and right ventricular hyperophy. The characteristic configuration of the lead Vl is rsR&; seen in almost 90% patients. Presence of left axis detion beyond -30deg suggests ostium primum ASD. Reference: Essential Paediatrics; O.P. Ghai; Page no: 413
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Pediatrics
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