Einsteinium is radioactive rare earth metal named after Albert Einstein. It is of no commercial importance and only a few of its compounds are known. Einsteinium: historical information. Einsteinium was discovered by Workers at Argonne, Los Alamos, USA, and the University of California at Berkeley, USA. in 1952 at USA. Origin of name: named after Albert Einstein.
gradÂ·ed exÂ·erÂ·cise test. Multistage exercise testing (usually on treadmill or bicycle ergometer) in which exercise intensity is progressively increased (graded) through levels that bring the test subject to a self-imposed fatigue level. See: stress test, Astrand-Ryhming Cycle Ergometer Test.
The heart rate stress test involves exercising while the heart's activity is monitored by an electrocardiogram (ECG).Small, circular pads called electrodes are painlessly placed on the body. The electrodes monitor the electrical activity of the heart and report this data to a machine through a cord.he heart rate stress test involves exercising while the heart's activity is monitored by an electrocardiogram (ECG).