Left Bundle Branch Block (LBBB)
ECG Criteria of LBBB • RSR´- in V5 and V6, also in L1 and aVL (M pattern). • QRS wide, >0.12 second (3 small squares). Causes of LBBB • Severe…
ECG Criteria of LBBB • RSR´- in V5 and V6, also in L1 and aVL (M pattern). • QRS wide, >0.12 second (3 small squares). Causes of LBBB • Severe…