Images and videos

Images

6

Atrioventricular block

Baseline ECG for a patient with third-degree AV block

Courtesy of Dr Susan F. Kim, Dr John F. Beshai, and Dr Stephen L. Archer; used with permission

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9

Atrioventricular block

Third-degree heart block: right bundle-branch block escape

Courtesy of Dr Sanjiv Petkar; used with permission

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5

Atrioventricular block

Third-degree heart block: right bundle-branch block escape

Courtesy of Dr Sanjiv Petkar; used with permission

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4

Atrioventricular block

Third-degree AV block

Courtesy of Dr Susan F. Kim, Dr John F. Beshai, and Dr Stephen L. Archer; used with permission

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2

Atrioventricular block

Type I second-degree AV block. This figure demonstrates typical features of the AV Wenckebach block, including progressively shortening R-R intervals as the P-R intervals lengthen; the figure also shows grouped beating, which is also typical for AV Wenckebach block

Courtesy of Dr Susan F. Kim, Dr John F. Beshai, and Dr Stephen L. Archer; used with permission

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7

Atrioventricular block

2:1 AV block

Courtesy of Dr Susan F. Kim, Dr John F. Beshai, and Dr Stephen L. Archer; used with permission

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8

Atrioventricular block

Third-degree AV block

Courtesy of Dr Susan F. Kim, Dr John F. Beshai, and Dr Stephen L. Archer; used with permission

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10

Atrioventricular block

Tachy-brady syndrome due to sinus node disease. Ventricular rate is slow intermittently, but AV block is not seen

Courtesy of Dr Sanjiv Petkar; used with permission

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1

Atrioventricular block

First-degree AV block

Courtesy of Dr Susan F. Kim, Dr John F. Beshai, and Dr Stephen L. Archer; used with permission

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3

Atrioventricular block

Type II second-degree AV block

Courtesy of Dr Susan F. Kim, Dr John F. Beshai, and Dr Stephen L. Archer; used with permission

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11

Atrioventricular block

Patient with 2:1 AV block, status post permanent pacemaker placement

Courtesy of Dr Susan F. Kim, Dr John F. Beshai, and Dr Stephen L. Archer; used with permission

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