Third Degree Heart Block - EKG Reference

Third Degree Heart Block EKG tracing


Caliper Time Interval: ___ seconds

Key Features

RhythmRegular, but atrial and ventricular rhythms are independent
RateCharacterized by Atrial rate usually normal and faster than ventricular rate
P WaveNormal shape and size, may appear within QRS complexes
PR IntervalAbsent: the atria and ventricles beat independently.
QRSNormal, but wide if junctional escape focus

Third Degree Heart Block EKG Reference


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