These statistics are presented only in the hope that they may be interesting to some people. The word 'prevalence' of Insomnia usually means the estimated population of people who are managing Insomnia at any given time (i.e. people with Insomnia). The term 'incidence' of Insomnia means the annual diagnosis rate, or the number of new cases of Insomnia diagnosed each year (i.e. getting Insomnia).
Exercise Stress Test. A stress test, sometimes called a treadmill test or exercise test, helps a doctor find out how well your heart handles work. As your body works harder during the test, it requires more oxygen, so the heart must pump more blood. The test can show if the blood supply is reduced in the arteries that supply the heart.
EKG. This is a painless, noninvasive test that checks your heartâs function by recording the electrical activity of different areas of the heart as wavy lines on a piece of paper. An EKG may be performed to check for a variety of issues: 1  Irregular heartbeat. 2  Damage to heart muscle and tissue.