Keywords: CHF; CVD; HF; MI; ageing; aging; angina; atherosclerosis; cardiac; cardiac arrest; cardiologist; cardiologists; cardiology; cardiovascular disease; congestive heart failure; elder; elderly; frail; frailty; frailty index; frailty trajectory; geriatric; geriatrics; gerontology; heart failure; myocardial infarction; older adult; older adults; older people; older person; unstable angina; weak; weakness.