Key result
Infective endocarditis-induced aortic root abscess causes 2:1 AV block with ventriculophasic sinus dysrhythmia.
Why the study?
Classification and localization of second degree 2:1 AV block require detailed ECG observation and further evaluation to guide management and prognosis in complex clinical scenarios.
Case Report (n=1)
This case highlights that 2:1 second-degree AV block cannot be classified as Mobitz 1 or 2 and requires further evaluation to localize the block, which here revealed an aortic root abscess.
There is second degree heart block with the atrial rate double the ventricular rate. The atrial rate is fast: Possibly an atrial tachycardia but more likely a sinus tachycardia in a sick patient.
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Andrzej M. Okreglicki (2017) conducted a case report in 2:1 second-degree AV block and infective endocarditis (n=1). Electrocardiogram (ECG) analysis was evaluated. ECG analysis revealed a 2:1 second-degree AV block with ventriculophasic sinus dysrhythmia, caused by an aortic root abscess from severe infective endocarditis.
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