Tall P waves – MCQ – Answer
Tall P waves on the ECG indicates – Correct answer: a) Right atrial enlargement
Tall peaked P waves, also known as P pulmonale, indicate right atrial enlargement. On standard ECG paper, height should be more than 2.5 mm.
Left atrial enlargement is seen as wide, notched P waves, with width of more than 2.5 mm, known as P mitrale. In biatrial enlargement, P wave width is more than 2.5 mm and height more than 2.5 mm.
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