Exclusion criteria for physical activity

Systolic BP greater than or equal to 180mmtlg.

Diastolic BP greater than or equal to 100mmtlg.

Unstable angina or aortic stenosis.

MRC Dyspnoea Score grade 3 or above.

Acute heart failure or chronic heart failure (NYHA 3 or 4).

Symptomatic aortic valve disease, hypertrophic obstructive cardiomyopathy, implanted cardiac defibrillator.

Uncontrolled tachycardia or uncontrolled arrhythmia or ventricular rate > 100bpm.

Uncontrolled diabetes, symptomatic hypotension.

Cardiac event in last 8 weeks.