Ventricular rhythms

Idioverntricular rhythm

Rate: 15-40

Rhythm: Regular

P Waves: None

PRI: None

Pacemaker Site: Ventricles

QRS: Wide

Accelerated Idioventricular rhythm

Rate: 41-100

Rhythm: Regular

P Waves: None

PRI: None

Pacemaker Site: Ventricles

QRS: Wide

Agonal rhythm

Rate: <15

Rhythm: Irregular

P Waves: None

PRI: None

Pacemaker Site: Ventricles

QRS: Wide

Ventricular tachycardia

Rate: 101-250+ BPM

Rhythm: Usually regular

P Waves: None

PRI: None

Pacemaker Site: Ventricles

QRS: Wide

Torsades de pointes

Rate: 100-250+

Rhythm: Usually irregular

P waves: if present doesn’t correlate with QRS

PRI: None

Pacemaker: Multiple sites in the ventricles

QRS: Wide, changes in morphology and size

Ventricular fibrilation

Rate: 0

Rhythm: None

P waves: None

PRI: none

Pacemaker sites: Chaotic firing of multiple sites of the ventricles

QRS: None present

Asystole

Rate: 0

Rhythm: None

P waves: None

PRI: None

Pacemaker: None

QRS: None

PVC with compensatory pause

Interpolated PVC

Unifocal PVC

Multifocal PVC

Bigemeny PVC

Trigeminy PVC

Quadgeminy PVC

Unifocal Couplet PVC

Multifocal Couplet PVC

Triplet PVC

Triplet & Couplet PVC