ECG manifestations of bundle branch block (BBB)
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You are here: Home » Cardiology Notes » ECG manifestations of bundle branch block (BBB)
- QRS duration equal or more than 0.12 sec.
- Broad , notched or slurred R wave in lateral leads( I, aVL , V5,V6 )
- QS or rS pattern in the anterior precordium.
- Secondary ST-T wave changes ( ST and T wave vectors are opposite to the terminal QRS vectors).
- Late intrinsicoid deflection in lead V5 and V6.
- QRS duration equal or more than 0.12 sec.
- Large R' wave in lead V1( rsR' ).
- Deep terminal S wave in lead V6.
- Normal septal Q wave.
- Inverted T wave in lead V1 ( secondary T wave changes ).
- Late intinsicoid deflection in lead V1 and V2.
Tags: Notes, Medicine, Cardiology, ECG
Category: Cardiology Notes
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