Category: C

The action of recording the heartbeat. Technique of electronically recording the activity of the heart to produce a cardiogram; also called electrocardiography. The recording and study of the electrical activity of the heart.  

A technician who operates a cardiograph.  

An instrument which records the heartbeat. A device for registering the electrical activity of the heart muscle. A device used to graphically record the heartbeat.  

Ligaments forming a band of connective tissue that extends from the uterine cervix and vagina to the pelvic walls.  

One of the veins which lead from the myocardium to the right atrium. Any of the veins that run along the surface of the heart parallel to the coronary arteries and drain the heart muscle. They converge into the coronary sinus, which runs in the coronary groove between the left atrium and left ventricle on…

Surgery to the heart. Any operation on the heart and/or the proximal great vessels.  

The reflex which controls the heartbeat automatically. Reflex control of the heart rate. Sensory fibers in the walls of the heart are stimulated when the heart rate increases above normal. Impulses are sent to the cardiac center in the brain, which stimulates the vagus nerve and leads to a reflex slowing of the heart rate.…

A patient who has a heart disorder.  

An electronic device implanted on a patient’s heart, or which a patient wears attached to the chest, which stimulates and regulates the heartbeat. The natural pacemaker is the sinoatrial node, found at the base of the heart. The heart normally controls its rate and rhythm; heart block occurs when impulses cannot reach all parts of…

An opening where the oesophagus joins the stomach.