Cardioplegia
Cardioplegia
Cardioplegia (pronounced: car-dee-oh-plee-gee-uh) is a medical term that refers to the intentional and temporary cessation of cardiac activity, particularly heartbeat, for cardiac surgery.
Etymology
The term "Cardioplegia" is derived from the Greek words "kardia," meaning heart, and "plegia," meaning paralysis.
Definition
Cardioplegia is a technique used in cardiac surgery to protect the heart muscle (myocardium) from damage while the heart is stopped. This is achieved by infusing a solution into the coronary arteries to stop the heart, reducing its oxygen demand and allowing surgeons to operate on a still heart.
Types of Cardioplegia
There are two main types of cardioplegia: Blood Cardioplegia and Crystalloid Cardioplegia. Blood cardioplegia uses the patient's own blood mixed with a cardioplegic solution, while crystalloid cardioplegia uses a solution without blood.
Related Terms
- Myocardium: The muscular tissue of the heart.
- Coronary arteries: The vessels that supply the heart muscle with blood and oxygen.
- Cardiac surgery: Surgery on the heart or great vessels performed by cardiac surgeons.
See Also
- Cardiac Arrest: A sudden loss of blood flow resulting from the failure of the heart to pump effectively.
- Cardiopulmonary Bypass: A technique that temporarily takes over the function of the heart and lungs during surgery.
External links
- Medical encyclopedia article on Cardioplegia
- Wikipedia's article - Cardioplegia
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