A bouncer is a security professional who works for an entertainment establishment to ensure the safety of patrons and protection against theft, vandalism and other potential crimes. These professionals typically work in nightclubs, bars, restaurants, hotels and other entertainment venues. The wages of a bouncer vary ...
A cardiac stress test (or cardiac diagnostic test) is a cardiological test that measures a heart's ability to respond to external stress in a controlled clinical environment. The stress response is induced by exercise or by drug stimulation.
The cardiac stress test is done with heart stimulation, either by exercise on a treadmill, pedalling a stationary exercise bicycle ergometer, or with intravenous pharmacological stimulation, with the patient connected to an electrocardiogram (ECG). stress test may also use an echocardiogram (ultrasonic imaging of the heart), or a nuclear stress test (in which a radioisotope dye is injected into the bloodstream).