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Classical QRS pattern in ASD is the rSR’ in V1 suggestive incomplete RBBB. This pattern in ASD is due to RV volume overload. QRS axis is usually rightward, more so when there is severe PAH. Left axis deviation is feature of ostium primum ASD. First degree AV block may be noted in both primum and secundum ASD. Familial ASD with first degree AV block has been reported in secundum ASD. This type of familial ASD has an autosomal dominant inheritance pattern. There is also a higher incidence of SCD in this group. IRBBB pattern in ASD Crochetage sign in ASD, manifest as notching of R wave near the a ..read more

STEMI – Anterior Wall ECG shows ST elevation myocardial infarction of anterior wall. Up sloping elevation of ST segment is seen in leads V1 to V5, with maximum ST elevation in V2, as is characteristic of anterior wall infarction. T waves are inverted in leads V2 to V5 suggesting that it is an evolved myocardial infarction rather than in the very early phase. T wave inversions are seen in leads I and aVL as well. There is no reciprocal ST segment depression in the inferior leads, possibly because it is beyond the acute phase. Similar changes may also be noted in left ventricular aneurysm after ..read more

ST Elevation Myocardial Infarction ECG ..read more

2:1 AV block on ECG ..read more

What would be the best treatment option for the person with this ECG ..read more

Complete heart block and right ventricular hypertrophy ..read more

What are the findings? Can they predispose to any arrhythmia ..read more

Early repolarization syndrome: Is it important ..read more