An atrial septal defect of the secundum type is relatively common and occurs from failure of the septum secundum to develop. This results in a communication between the left and right atrium directly ...
The mean QRS axis is shifted to the right, which is right axis deviation (RAD), and this should make one think first of RVH. After the RAD, this tracing shows all other diagnostic features of RVH, ...
There is clearly a broad QRS complex which is predominantly positive in V1 indicative of RBBB. You can also see an RSR pattern to the QRS complex in V1 reflective of the fact that the left ventricle ...
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