Table 4 Urgency classes of the procedure and their definition
Urgency | Definition |
|---|---|
Elective | Elective procedure for stable angina pectoris |
Urgent | Procedure indicated by medical factors which require the patient to stay in hospital to have operation before discharge |
Emergency | Procedure performed before the beginning of the next working day after decision to operate. This is further subdivided in four classes: |
Emergency class 1 | Persistent angina, ECG changes and/or increasing levels of cardiac enzymes despite best medical treatment (nitrates infusion, etc.). No need of inotropes |
Emergency class 2 | Hemodynamic instability responsive to inotropes |
Emergency class 3 | Hemodynamic instability unresponsive to inotropes and/or requiring preoperative insertion of IABP |
Emergency class 4 | Salvage CABG: patients requiring cardiopulmonary resuscitation (external cardiac massage) en route to the operating theatre or prior to induction of anesthesia. |
This does not include cardiopulmonary resuscitation following induction of anesthesia |