Third Degree Heart Block

Third Degree Heart Block EKG tracing
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