Surgical Critical Care Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
LVAD LVAD
Left ventricular assist device; mechanical pump supporting heart function in patients with severe heart failure.
ECMO
A life support technique that provides cardiac and respiratory support to patients whose heart and lungs cannot provide...
ECOG performance status
Eastern Cooperative Oncology Group scale measuring patient functional status and quality of life.
elastance
Measure of lung stiffness calculated as driving pressure divided by tidal volume, used to guide ventilator management in...
enteral nutrition
The delivery of nutrients directly into the gastrointestinal tract via feeding tubes or oral intake.
escharotomy
Surgical incision through burned tissue (eschar) to relieve constriction and restore circulation or ventilation.
exploratory laparotomy
Emergency surgical procedure involving opening the abdomen to identify and address life-threatening injuries or conditio...
extracorporeal membrane oxygenation
Advanced life support technique providing temporary cardiac and respiratory support using an external oxygenation circui...
extubation failure
Need for reintubation within 48-72 hours of planned extubation, indicating unsuccessful liberation from mechanical venti...
fasciotomy
Surgical procedure to relieve compartment syndrome by cutting the fascia to reduce pressure in muscle compartments.
FAST exam
Focused Assessment with Sonography in Trauma - bedside ultrasound examination to detect free fluid in trauma patients.
FAST-HUG
Mnemonic checklist for ICU daily care: Feeding, Analgesia, Sedation, Thromboprophylaxis, Head-of-bed elevation, stress U...
FiO2
The percentage of oxygen concentration in the gas mixture delivered to a patient's lungs.
Glasgow Coma Scale
Standardized neurological assessment tool scoring eye opening, verbal response, and motor response to evaluate conscious...
goal-directed therapy
Systematic approach to resuscitation using specific hemodynamic targets and protocols to optimize patient outcomes.
hemodynamic monitoring
Continuous assessment of cardiovascular function through measurement of pressures, flows, and cardiac performance parame...
hemoperitoneum
Accumulation of blood within the peritoneal cavity, typically from trauma, surgery, or ruptured organs.
hemothorax
Accumulation of blood in the pleural space, often requiring surgical drainage in trauma patients.
hyperdynamic circulation
Cardiovascular state characterized by increased cardiac output, reduced systemic vascular resistance, and warm extremiti...
IABP
Mechanical cardiac assist device that inflates and deflates in the aorta to augment coronary perfusion.
ICP monitoring
Continuous measurement of intracranial pressure using invasive devices to guide neurological critical care management.
inotrope
A medication that affects the force of cardiac muscle contraction, used to support cardiac output in critically ill pati...
intra-aortic balloon pump
Mechanical cardiac assist device that inflates and deflates in the aorta to augment cardiac output and coronary perfusio...
lactate clearance
Percentage decrease in serum lactate levels over time, used as a marker of resuscitation adequacy and prognosis in shock...
LAST
Local Anesthetic Systemic Toxicity, a potentially life-threatening complication of regional anesthesia.