Precordial concordance: Difference between revisions
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Revision as of 05:20, 1 June 2020
 | This article provides insufficient context for those unfamiliar with the subject. (November 2018) |
Precordial concordance, also known as QRS concordance is when all precordial leads on an electrocardiogram are either positive (positive concordance) or negative (negative concordance).[1] When there is a negative concordance, it almost always represents a life-threatening condition called ventricular tachycardia because there is no other condition that suggests any abnormal conduction from the apex of the heart to the upper parts. However, in positive concordance another rare conditions such as left side accessory pathways or blocks are also possible.[2]
References
- ^ Kusumoto, Fred M. (2009). ECG Interpretation: From Pathophysiology to Clinical Application. Springer Science & Business Media. p. 192. ISBN 9780387888804.
- ^ Issa, Ziad F.; Miller, John Michael; Zipes, Douglas P. (2009). Clinical Arrhythmology and Electrophysiology: A Companion to Braunwald's Heart Disease. Elsevier Health Sciences. p. 395. ISBN 1416059989.
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