Diagnosis of Narrow QRS Tachycardia
10.3904/kjm.2024.99.4.206
- Author:
Pil-Sung YANG
1
Author Information
1. Division of Cardiology, Department of Internal Medicine, CHA Bundang Medical Center, CHA University, Seongnam, Korea
- Publication Type:19
- From:Korean Journal of Medicine
2024;99(4):206-209
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
Narrow QRS tachycardia is a common clinical condition characterized by a heart rate exceeding 100 beats per minute and a QRS complex duration of less than 120 ms. This article provides an overview of the diagnostic approach to narrow QRS tachycardia, focusing on the differentiation between various supraventricular tachycardias, such as atrioventricular nodal reentrant tachycardia (AVNRT), atrioventricular reentrant tachycardia (AVRT), atrial tachycardia (AT), and sinus tachycardia. The discussion includes an analysis of the presenting symptoms, electrocardiographic (ECG) findings, and the use of vagal maneuvers and pharmacological agents in diagnosis.
