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).
Electrocardiogram (EKG) An EKG is a noninvasive diagnostic exam performed to detect electrical activity in the heart. It is commonly performed after patients have experienced heart attack symptoms including chest pain, shortness of breath and heart palpitations, or as part of a routine heart disease screening.
During the test the patient's various symptoms and blood pressure response is repeatedly checked. When using the ECG and the blood pressure monitoring by itself the test is called a cardiac stress test or an exercise stress test.Besides these, the test is also called as an exercise treadmill test or an exercise tolerance test or a stress test or an exercise ECG test.hen it is compared to the blood flow that occurs during rest, the stress test reflects the imbalances of the blood flow to the individual's heart in particular the left ventricular muscle tissue. This is the part of the individual's heart that helps perform the largest amount of the work in pumping blood.