Definition, Meaning & Synonyms
sinoatrial
adjective
/ˌsaɪnoʊˈeɪtriəl/
Definition
Relating to the sinoatrial node, which is a group of cells located in the right atrium of the heart that generates electrical impulses to initiate the heartbeat.
Examples
- The sinoatrial node is often referred to as the heart’s natural pacemaker.
- In some cases, sinoatrial dysfunction can lead to arrhythmias.
- Doctors monitor the sinoatrial activity during cardiac assessments.
Meaning
The term describes anything pertaining to the sinoatrial node, responsible for setting the rhythm of the heart.
Synonyms
- SA node
- Pacemaker region
- Cardiac pacemaker
