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Conduction Disorders

Conduction Disorders

Second Degree AV Block: Type II Mobitz

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Overview

Type II second degree AV block occurs when there is an intermittently missed QRS complex due to failure of conduction through the AV node.
- Look For
- Constant PR interval with intermittently dropped QRS complexes.

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Cheng S, Keyes MJ, Larson MG, McCabe EL, Newton-Cheh C, Levy D, Benjamin EJ, Vasan RS, Wang TJ. Long-term outcomes in individuals with prolonged PR interval or first-degree atrioventricular block. Jama. 2009 Jun 24;301(24):2571-7. Childers R. Teaching electrocardiogram interpretation. Journal of electrocardiology. Volume 39, Issue 4, October 2006, Pages 426429. Haft JI, Herman MV, Gorlin R. Left Bundle Branch Block Etiologic, Hemodynamic, and Ventriculographic Considerations. Circulation. 1971 Feb 1;43(2):279-87.

Levites R, Haft JI. Significance of first degree heart block (prolonged PR interval) in bifascicular block. American Journal of Cardiology. 1974 Sep 1;34(3):259-64.

Meek S, Morris F. ABC Of Clinical Electrocardiography: Introduction. British Medical Journal 2002; Vol. 324, No. 7335; pp. 470-473 Money-Kyrle, Andrew. ECG interpretation made simple. GP (Nov 12, 2010): 36-37.