A young male with shortness of breath

A 25 year old male presented with dyspnea NYHA class 2 on and off for past 6 months

Physical examination was unremarkable except for an ejection systolic murmur in pulmonary area and a spit s2.

His ECG is given below .What is the probable diagnosis?

Have you got the right answer ?

see comment section for answer and description.

One thought on “A young male with shortness of breath

  1. ECG is showing left axis deviation (-45 deg) with right ventricular diastolic overload pattern (incomplete RBBB). PR interval is prolonged to 240 msec and S wave notched in lead 2(Somerville sign).
    Such an ECG is highly predictive of ostium primum ASD.

    Like

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