Svt on ECG Library – LITFL Basics

VT versus SVT

Tue, 08 Oct 2024 00:00:00 +0000

Regular broad complex tachycardias can be ventricular (VT) or supraventricular (SVT with aberrancy) in origin, and differentiation between the two will significantly influence management of your patients.

Unfortunately, the electrocardiographic differentiation of VT from SVT with aberrancy is not always possible.

Differential diagnosis of regular broad complex tachycardia

Ventricular tachycardia (VT)
Supraventricular tachycardia (SVT) with aberrant conduction due to bundle branch block
SVT with any metabolic disturbance that slows supraventricular action potential propagation — hyperkalaemia, sodium channel blockade, severe acidosis
Antidromic AVRT — re-entrant tachyarrhythmia seen in Wolff-Parkinson-White syndrome
Accelerated idioventricular rhythm (AIVR)

ECG features increasing the likelihood of VT

Electrocardiographic features that increase the likelihood of VT include:

ECG Interpretation: Tachyarrhythmias

Tue, 03 Nov 2020 00:00:00 +0000

Part four of a 5 part lecture series on ECG/EKG Interpretation on tachyarrhythmias with Dr Theo Sklavos and cardiologist A/Prof William Wang. This lecture series is aimed primarily at medical/nursing/paramedicine students and junior trainees, but will hopefully be useful as a refresher course for the more experienced.

Svt on ECG Library – LITFL Basics

VT versus SVT

Differential diagnosis of regular broad complex tachycardia

ECG features increasing the likelihood of VT

ECG Interpretation: Tachyarrhythmias

Tachyarrhythmia

ECG Interpretation lectures

References and further reading