heart block

(redirected from Second-degree heart block)
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Related to Second-degree heart block: First degree heart block, Third degree heart block
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  • noun

Synonyms for heart block

recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeat

References in periodicals archive ?
Constant P-to-P intervals are an important characteristic of all types of second-degree heart block and result from the impulse originating in the SA node.
The Sleep Heart Health Study (7) found a higher prevalence of first and second-degree heart block among subjects with sleep-disordered breathing (SDB) than in those without (1.
Second-degree heart block occurs when some of the electrical signals from the upper chamber of the heart, called the atrium, don't reach the lower chamber, which is called the ventricle.
After initiating telemetry, 80% of the patients had a normal sinus rhythm, and the remaining 20% had atrial fibrillation or flutter, a paced rhythm, junctional rhythms, second-degree heart block, or tachycardic runs.