Low risk |
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Asymptomatic, <3 major risk factors for CAD, excluding age and sex
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Controlled hypertension
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Mild stable angina
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Successful coronary revascularisation
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Mild valve disease
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LVD/CHF (NYHA class I)
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Intermediate risk |
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>3 major risk factors for CAD, excluding age and sex
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Moderate stable angina
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Recent myocardial infarction or cardiovascular event (<6 weeks)
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LVD/CHF (NYHA class II)
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Murmur of unknown cause
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Conduct a specialised evaluation (for example, exercise treadmill test for angina, echocardiography for murmur)
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Place patient into high or low risk category, depending on outcome of testing
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High risk |
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Unstable or refractory angina
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Uncontrolled hypertension (SBP >180 mm Hg)
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CHF (NYHA class III, IV)
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Recent myocardial infarction or cardiovascular event (<2 weeks)
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High risk arrhythmias
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Hypertrophic obstructive and other cardiomyopathies
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Moderate/severe valve disease
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