A third degree sinoatrial block looks very similar to a sinus arrest.
2.
However, a sinus arrest is caused by a failure to form impulses.
3.
Pathological causes include sinus bradycardia, sinus arrest, sinus exit block, or AV block.
4.
The pause ends with a P wave, instead of a junctional escape beat the way a sinus arrest would.
5.
She died in 1962, at the colony, from " sinus arrest, cause unknown " ( see sinoatrial arrest ).
6.
Mary Cecil Allen died on the 7 April 1962, she was found dead in her chair by neighbours, due to " sinus arrest, cause unknown " ( see sinoatrial arrest ).
7.
The third, sick sinus syndrome, covers conditions that include severe sinus bradycardia, sinoatrial block, sinus arrest, and bradycardia-tachycardia syndrome ( atrial fibrillation, flutter, and paroxysmal supraventricular tachycardia ).