... angioplasty), ANAESTHESIA FOR THE HIGH RISK PATIENT 4Chap-01.qxd 2/ 1/ 02 12: 03 PM Page 4• The test only provides a binary outcome (normal/abnormal) and,therefore, cannot further stratify the high- risk ... a higher incidenceof infection following trauma.8 ANAESTHESIA FOR THE HIGH RISK PATIENT 2 Chap-01.qxd 2/ 1/ 02 12: 03 PM Page 2 •Any decision to delay surgery for hypertension should balance the urgency ... 0–5 0.7 0 .2 II 6– 12 5 1.5III 13 25 11 2. 3IV 26 –53 22 56Chap-01.qxd 2/ 1/ 02 12: 03 PM Page 11•This philosophy maintains that risk scoring systems and guidelines aremost useful, therefore, only...