Cardiothoracic Anesthesia Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
cerebral oximetry NIRS
Non-invasive monitoring technique measuring regional brain tissue oxygen saturation using near-infrared spectroscopy.
pressure-volume loop
Graphical representation of left ventricular pressure-volume relationships throughout the cardiac cycle, used to assess...
protamine
Medication used to reverse heparin anticoagulation after cardiopulmonary bypass.
pulmonary artery catheter
Multi-lumen balloon-tipped catheter for comprehensive hemodynamic monitoring in cardiac surgery patients.
pulmonary hypertension
Elevated pressure in pulmonary circulation affecting cardiac surgery management.
pulmonary vascular resistance
Calculated hemodynamic parameter representing the resistance to blood flow through the pulmonary circulation.
pump prime
Solution used to fill the cardiopulmonary bypass circuit before initiating extracorporeal circulation.
resternotomy
Reopening of the sternum for repeat cardiac surgery or emergency access.
retrograde autologous priming
Technique to reduce prime volume in CPB circuits by displacing crystalloid prime with patient's blood in a retrograde ma...
retrograde cerebral perfusion
Technique of delivering oxygenated blood to the brain through the superior vena cava during aortic arch surgery.
ROTEM
Point-of-care viscoelastic testing for coagulation assessment during surgery.
sternal dehiscence
Separation or breakdown of sternal closure following median sternotomy.
sternotomy
Surgical division of the sternum to access the mediastinal structures, typically performed as median sternotomy in cardi...
Swan-Ganz catheter
A balloon-tipped pulmonary artery catheter used for hemodynamic monitoring during cardiac procedures.
systolic anterior motion
Abnormal movement of the mitral valve anterior leaflet toward the ventricular septum during systole, causing outflow tra...
TEE
Transesophageal echocardiography; real-time cardiac imaging during surgery.
TEG
Point-of-care viscoelastic test used to assess hemostatic function during cardiac surgery.
thoracic epidural analgesia
Pain management technique involving catheter placement in the thoracic epidural space for perioperative analgesia in car...
thromboelastography
Point-of-care test measuring viscoelastic properties of blood clot formation and breakdown in real time.
tranexamic acid
Antifibrinolytic agent used to reduce bleeding and transfusion requirements in cardiac surgery.
tricuspid annular plane systolic excursion
Echocardiographic measurement of right ventricular systolic function based on longitudinal motion of the lateral tricusp...
VAD
Ventricular assist device; mechanical pump supporting failing heart function.
veno-arterial ECMO
Extracorporeal membrane oxygenation configuration providing both cardiac and respiratory support through arterial cannul...
veno-venous ECMO
Extracorporeal membrane oxygenation configuration providing respiratory support without cardiac assistance.
venous air embolism
The entrainment of air into the venous circulation, a potential complication during cardiac surgery.