Cardiac Pacemaker (Noun)
Meaning
A specialized bit of heart tissue that controls the heartbeat.
Classification
Nouns denoting body parts.
Examples
- The sinoatrial node, also known as the cardiac pacemaker, is a small group of cells in the heart that regulates the heartbeat.
- The cardiac pacemaker is responsible for generating electrical impulses that stimulate the heart muscle to contract and pump blood throughout the body.
- In some cases, an artificial cardiac pacemaker may be implanted in the chest to regulate the heartbeat in individuals with abnormal heart rhythms.
- The cardiac pacemaker is located in the right atrium, near the junction with the superior vena cava, and is responsible for setting the heart rate.
- Damage to the cardiac pacemaker can disrupt the normal heartbeat, leading to arrhythmias or other cardiac problems.