Lead V1 shows Rs or QS complexes, and lead V2 shows Rs complexes. Although QRS duration usually ranges between 0.o8 and 0.11s , this pattern can be observed with QRS durations of 0.12 and 0.13s. Not surprisingly, an incomplete LBBB pattern can be produced by various processes, including ...
Use of the 12 Lead EKG in Distinguishing Concentric LV Remodeling from Normal LV GeometryPURPOSE: Serum brain natriuretic peptide (BNP) levels are currently in widespread use in emergency departments (ED) to aid in differentiating between dyspnea secondary to congestive heart failure (CHF) versus ...
In people with a normal AV node, the rate of ventricular contraction in untreated disease usually ranges from 80 to 180 beats/minute; the higher the transmission, the higher the heart rate. Some older people have slow transmission through the AV node due to disease within the AV node. When...