Case 30 — Holter Monitor

A 24-hour Holter monitor was placed on Max. The following strips are representative of the arrhythmias recorded.

Holter monitor strip from Max showing a run of ventricular tachycardia.
Holter monitor strip — sustained ventricular tachycardia
Holter monitor strip from Max showing polymorphic ventricular tachycardia.
Holter monitor strip — polymorphic ventricular tachycardia

Quiz

1. What is the rhythm shown in the first Holter strip?

2. What is the approximate ventricular rate during the tachycardia?