Controlled physical activity which is performed in order to allow assessment of physiological functions, particularly cardiovascular and pulmonary, but also aerobic capacity. Maximal (most intense) exercise is usually required but submaximal exercise is also used
A method of recording heart motion and internal structures by combining ultrasonic imaging with exercise testing (EXERCISE TEST) or pharmacologic stress
Echohawk, Brummett. : Drawing fire : a Pawnee, artist, and Thunderbird in World War II / Brummett Echohawk with Mark R. Ellenbarger ; edited by Trent Riley ; foreword by Lt. Col. Ernest Childers
Echolalia -- Research. : Evaluating word acquisition of an echolalic person diagnosed with autism using a single-case research design / Michael Voltaire
The visualization of deep structures of the body by recording the reflections or echoes of ultrasonic pulses directed into the tissues. Use of ultrasound for imaging or diagnostic purposes employs frequencies ranging from 1.6 to 10 megahertz
The visualization of deep structures of the body by recording the reflections or echoes of ultrasonic pulses directed into the tissues. Use of ultrasound for imaging or diagnostic purposes employs frequencies ranging from 1.6 to 10 megahertz
A species of ENTEROVIRUS infecting humans and containing 36 serotypes. It is comprised of all the echoviruses and a few coxsackieviruses, including all of those previously named coxsackievirus B
A species of ENTEROVIRUS infecting humans and containing 36 serotypes. It is comprised of all the echoviruses and a few coxsackieviruses, including all of those previously named coxsackievirus B
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Echsen : Handbook of lizards : lizards of the United States and of Canada / by Hobart M. Smith
