When Is a Pause Considered Asystole?

Robert Thorne
Robert Thorne
• • 6 min read

Absence of Escape Rhythm Results in Asystole. Sinus Pause Sinus Pause Sinus Arrest Is a Cessation of Sinus Node Activity for a Short Period. Although Sinus...

When Is a Pause Considered Asystole?

Absence of escape rhythm results in asystole. Sinus pause

Sinus pause
Sinus arrest is a cessation of sinus node activity for a short period. Although sinus arrest commonly is described as a pause in the sinus rhythm that lasts for more than two normal R-R intervals, this can also be seen with severe sinus arrhythmia.
less than 3 seconds usually needs no investigation and may be seen in normal people; however, longer pauses (≥3 seconds) require further investigation and treatment.

How long of a heart pause is concerning?

In our study, patients with pauses 2 to 3 seconds in length (intermediate pauses) occurring during the day or night increased the risk of adverse cardiovascular events (including all‐cause hospitalization, cardiovascular hospitalization, pacemaker implantation, new‐onset atrial fibrillation, new‐onset heart failure, ...

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What is considered a heart pause?

Sinoatrial arrest occurs when the sinoatrial node does not discharge an impulse for ≥2 seconds. Failure to discharge an impulse within <2 seconds is defined as sinoatrial pause.

Robert Thorne

Robert Thorne

Automotive & Future Transportation Editor
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Robert Thorne covers electric vehicle innovations, autonomous driving systems, global mobility trends, and automotive engineering developments.