Clinical setting: The patient with a suspicion of unstable angina or non-ST-elevation myocardial infarction is admitted for observation in the hospital. Decision: ‘Would you perform a coronary angiography within 72 h in this patient’? | |
---|---|
Attribute | Attribute level |
Age (years) | <70 |
70–80 | |
80 | |
Renal function | No renal dysfunction |
Mild to moderate renal dysfunction | |
Severe renal dysfunction | |
Known coronary artery disease | No |
Yes | |
Persistent chest pain | No |
Yes | |
Risk factors* | No risk factors |
One risk factor | |
More than one risk factor | |
ECG | Normal |
Atypical changes | |
Typical ischaemic changes | |
Troponin† | Normal at repeated measures |
Significant rise and/or ‘rise and fall’ |
*Classic five: diabetes mellitus, hypertension, hypercholesterolaemia, smoking and positive family history.
†According to cardiologists’ own hospital standards.