Why the study?
Accurate distinction of wide complex tachycardias into VT or supraventricular wide complex tachycardia influences management and outcomes, but no single electrocardiographic criterion or algorithm guarantees diagnostic certainty.
What are the historical and current electrocardiographic criteria and algorithms used to differentiate wide complex tachycardias?
What are the historical and current electrocardiographic criteria and algorithms used to differentiate wide complex tachycardias?
This review provides a historical perspective on the various electrocardiographic criteria and algorithms developed over decades to differentiate wide complex tachycardias, emphasizing that no single method is infallible.
Algorithms require cautious clinical use in wide-complex tachycardia; leaves open need for refined models with prospective validation.
One of the most critical and challenging skills is the distinction of wide complex tachycardias into ventricular tachycardia or supraventricular wide complex tachycardia. Prompt and accurate differentiation of wide complex tachycardias naturally influences short- and long-term management decisions and may directly affect patient outcomes. Currently, there are many useful electrocardiographic criteria and algorithms designed to distinguish ventricular tachycardia and supraventricular wide complex tachycardia accurately; however, no single approach guarantees diagnostic certainty. In this review, we offer an in-depth analysis of available methods to differentiate wide complex tachycardias by retrospectively examining its rich literature base - one that spans several decades.
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Kashou et al. (2020) conducted a review in Wide complex tachycardia (ventricular tachycardia and supraventricular wide complex tachycardia). Electrocardiographic (ECG) differentiation criteria and algorithms (manual and automated) was evaluated on Diagnostic differentiation of ventricular tachycardia from supraventricular wide complex tachycardia.
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