sinus arrest


si·nus ar·rest

cessation of sinus activity; the ventricles may continue to beat under ectopic atrial, A-V junctional, or idioventricular control.
See also: sinus standstill, atrial standstill.

sinus arrest

A form of sinus-node dysfunction (sick sinus syndrome) characterised by a normal P-wave axis. 
EKG
Every P wave is followed QRS complexes and accompanied by pauses of > 3 sec without atrial activity.

sinus arrest

Sinus pause Cardiology A form of sinus-node dysfunction–sick sinus syndrome characterized by a normal P-wave axis EKG Every P wave is followed QRS complexes and accompanied by pauses of > 3 sec without atrial activity. See Sick sinus syndrome.

si·nus ar·rest

(sī'nŭs ă-rest') Cessation of sinuatrial activity; the ventricles may continue to beat under ectopic atrial, atrioventricular junctional, or idioventricular control.