ISSN - 0973-0958
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Right venrticular hypertrophy due to Ostium secundum or sinus venous atrial septal defect
S S Prabhu, Sumitra Venkatesh.
Division of Pediatric Cardiology, B J Wadia Hospital for Children, Mumbai.

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Prabhu S S, Venkatesh S. Right venrticular hypertrophy due to Ostium secundum or sinus venous atrial septal defect. Pediatr Oncall J. 2007;4: 34.

Address for Correspondence
Dr S S Prabhu, Division of Pediatric Cardiology, B J Wadia Hospital for Children, Mumbai.

Email
ssprabu1@hotmail.com

A 7 year old child with repeated lower respiratory infection and abnormal second Heart sound had the following ECG.

What is the diagnosis?

 
ECG shows sinus rhythm with heart rate approximately 90, min with p axis , amplitude and duration being normal. The PR interval and QT interval are normal. There is a slight slurring of the QRS complex {rR’} but the QRS duration is normal .The QRS vector could be plotted to 150°. aVR shows predominant R wave which could signify severe RVH. The right ward QRS voltage are abnormal, manifested by deep S in lead I and V6 {10- 12 mm } and tall R waves in and V1 {15 mm } all beyond ULN suggestive of right ventriculr hypertrophy {RVH}. The R, S ratios in V1 ,V2 , and V6 are all abnormal, suggesting RVH. T axis is normal.
Impression- Severe RVH .
In view of age and repeated respiratory tract infections and abnormal second heart sound the possibility of Ostium secundum or sinus venous atrial septal defect should be kept in mind. {Ostium primum would have presented with superior axis}

E-published: May 2007 Vol 4 Issue 5, Art # 19
 
Funding: None
 
Conflict of Interest: None
 
Cite this article as :
Prabhu S S, Venkatesh S. Right venrticular hypertrophy due to Ostium secundum or sinus venous atrial septal defect. Pediatr Oncall J. 2007;4: 34.
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