Heart Surgery - Glossary

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Glossary

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Nitroglycerine (NTG)
Used as a vasodilator, especially in angina pectoris.

Obtuse Marginal
Branches of the circumflex coronary artery.

Off-Pump Coronary Artery Bypass Surgery (OPCAB)
A surgical procedure that does not use the heart-lung machine, or “pump”, to perform coronary artery bypass surgery. The heart is slowed down with medications, and a heart stabilizer is used to isolate and minimize the motion of the diseased artery.

Oxygenator
The portion of the CPB perfusion apparatus that subserves the functions of the patient’s natural lungs during periods of extracorporeal circulation. It is a device that mechanically oxygenates venous blood extracorporeally.



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The content on this website is intended to provide you with a better understanding of coronary artery disease, beating heart bypass surgery and endoscopic vessel harvesting. The procedures described in this website and related links may not be appropriate for all patients. The information on this website and maintain an open dialogue with you and your an informed discussion with a physician, and is not an endorsement or recommendation of any particular physician.