Prevalence

• breathless patients ^b
• patients with a recent myocardial infarction ^b
• older patients ^b

Heart failure increases with age

Prevalence of heart failure b	%
aged 25 to 54	1.1%
aged 55 to 64	3.7%
aged 65 to 74	4.5%

• Prevalence of left ventricular preload with a recent myocardial infarction: 24% to 75% ^b
• Prevalence of left ventricular preload with dyspnoea: 26% to 39% ^b
• Prevalence of LV systolic dysfunction in primary care patients with suspected heart disease: 12% (95% CI: 6% to 18%). ^b