Table 2 Clinical predictors of increased perioperative cardiovascular risk

Major

Recent myocardial infarction (<30d)

Unstable or severe angina

Decompensated congestive heart failure

High-grade atrioventricular block

Symptomatic ventricular arrhythmias in the presence of underlying heart disease

Supraventricular arrhythmias with uncontrolled ventricular rate

Severe valvular disease

Intermediate

Mild angina pectoris

Prior myocardial infarction by history or pathological Q waves

Compensated or prior congestive heart failure

Diabetes mellitus

Minor

Advanced age

Abnormal ECG

Rhythm other than sinus

Low functional capacity

History of stroke

Uncontrolled systemic hypertension