Premature Ventricular Conduction

Pacemaker Lead Placement

ST Segment Depression

Ventricular Rhythms
Premature Ventricular Complex - PVC

Unifocal PVCs: Identical Shapes

Multifocal PVCs: More than one shape

Paired PVCs (Couplet)

R on T Phenomenon: PVC occurs at the peak of the T wave of the preceding beat

Ventricular Bigeminy: Every other beat is a PVC

Ventricular Trigeminy: Every third beat is a PVC

Ventricular Quadrigeminy: Every fourth beat is a PVC

Ventricular Fusion Beat

Ventricular Escape Beat

Idioventricular Rhythm

Accelerated Idioventricular Rhythm (AIVR)

Ventricular Tachycardia (3 or more consecutive ventricular complexes)

Ventricular Fibrillation

Ventricular Asystole

Pacemaker Rhythms
Electronic Pacemaker Spikes

Ventricular Pacemaker (single chamber)

Atrial Pacemaker (single chamber)

AV Sequential Pacemaker (dual chamber)

Paced Fusion Beat

Failure to Capture

Failure to Sense

Failure to Fire

Full Compensatory Pause vs. Noncompensatory Pause

ECG Artifact
Any waveforms on the ECG that is not related to the patient´s cardiac events
Calibration Pulses

AC Interference (60 cycle)

Muscle Tremor (Somatic)

Wandering Baseline (Draft)
