Table 1 Open in new tab Revised cardiac...

Lee index
1. High-risk surgical procedures	Intraperitoneal
Intrathoracic
Suprainguinal vascular
2. History of ischaemic heart disease	History of myocardial infarction
History of abnormal exercise ECG
Current complaint of chest pain considered secondary to myocardial ischaemia
Use of nitrate therapy
ECG with pathological Q-waves
3. History of congestive heart failure	History of congestive heart failure
Pulmonary oedema
Paroxysmal nocturnal dyspnoea
Bilateral rales or S3 gallop
Chest radiograph showing pulmonary vascular redistribution
4. History of cerebrovascular disease	History of transient ischaemic attack or stroke
5. Preoperative treatment with insulin
6. Preoperative serum creatinine >2.0 mg/dL
Risk of major cardiac event (each risk factor is assigned one point)
Points	Class	Risk (%)
0	I	0.4
1	II	0.9
2	III	6.6
3 or more	IV	11

Lee index
1. High-risk surgical procedures	Intraperitoneal
Intrathoracic
Suprainguinal vascular
2. History of ischaemic heart disease	History of myocardial infarction
History of abnormal exercise ECG
Current complaint of chest pain considered secondary to myocardial ischaemia
Use of nitrate therapy
ECG with pathological Q-waves
3. History of congestive heart failure	History of congestive heart failure
Pulmonary oedema
Paroxysmal nocturnal dyspnoea
Bilateral rales or S3 gallop
Chest radiograph showing pulmonary vascular redistribution
4. History of cerebrovascular disease	History of transient ischaemic attack or stroke
5. Preoperative treatment with insulin
6. Preoperative serum creatinine >2.0 mg/dL
Risk of major cardiac event (each risk factor is assigned one point)
Points	Class	Risk (%)
0	I	0.4
1	II	0.9
2	III	6.6
3 or more	IV	11

Table 1

Revised cardiac risk index, adapted from Lee¹¹

Lee index
1. High-risk surgical procedures	Intraperitoneal
	Intrathoracic
	Suprainguinal vascular
2. History of ischaemic heart disease	History of myocardial infarction
	History of abnormal exercise ECG
	Current complaint of chest pain considered secondary to myocardial ischaemia
	Use of nitrate therapy
	ECG with pathological Q-waves
3. History of congestive heart failure	History of congestive heart failure
	Pulmonary oedema
	Paroxysmal nocturnal dyspnoea
	Bilateral rales or S3 gallop
	Chest radiograph showing pulmonary vascular redistribution
4. History of cerebrovascular disease	History of transient ischaemic attack or stroke
5. Preoperative treatment with insulin
6. Preoperative serum creatinine >2.0 mg/dL
Risk of major cardiac event (each risk factor is assigned one point)
Points	Class	Risk (%)
0	I	0.4
1	II	0.9
2	III	6.6
3 or more	IV	11

Lee index
1. High-risk surgical procedures	Intraperitoneal
	Intrathoracic
	Suprainguinal vascular
2. History of ischaemic heart disease	History of myocardial infarction
	History of abnormal exercise ECG
	Current complaint of chest pain considered secondary to myocardial ischaemia
	Use of nitrate therapy
	ECG with pathological Q-waves
3. History of congestive heart failure	History of congestive heart failure
	Pulmonary oedema
	Paroxysmal nocturnal dyspnoea
	Bilateral rales or S3 gallop
	Chest radiograph showing pulmonary vascular redistribution
4. History of cerebrovascular disease	History of transient ischaemic attack or stroke
5. Preoperative treatment with insulin
6. Preoperative serum creatinine >2.0 mg/dL
Risk of major cardiac event (each risk factor is assigned one point)
Points	Class	Risk (%)
0	I	0.4
1	II	0.9
2	III	6.6
3 or more	IV	11

Definition of major cardiac event includes: myocardial infarction, pulmonary oedema, ventricular fibrillation, primary cardiac arrest, and complete heart block.

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