Michael J. Ptacin

Determination of stroke volume and cardiac output during exercise: comparison of two-dimensional and Doppler echocardiography, Fick oximetry, and thermodilution.

Jeffrey Christie, Lois M. Sheldahl, Felix E. Tristani et al. · Circulation · 1987 · 189 citations · Full text

Heart Failure, Doppler Echocardiography, Diastolic Function +25

Cardiovascular regulation during head-out water immersion exercise

Jeffrey Christie, Lois M. Sheldahl, Felix E. Tristani et al. · Journal of Applied Physiology · 1990 · 185 citations

Physical Activity, Cardiovascular Function, Blood Pressure +18

The Effect of Age on Hemodynamic Response to Graded Postural Stress in Normal Men

James J. Smith, C. V. Hughes, Michael J. Ptacin et al. · Journal of Gerontology · 1987 · 74 citations

Prevalence of mitral prolapse by two dimensional echocardiography in healthy young women.

L. Samüel Wann, T Hess, L Glisch et al. · Heart · 1983 · 56 citations · Full text

Heart Failure, Dimensional Echocardiography, Mitral Valve Prolapse +11

Comparison of ST segment depression in upright treadmill and supine bicycle exercise testing

Jule N. Wetherbee, Virinderjit S. Bamrah, Michael J. Ptacin et al. · Journal of the American College of Cardiology · 1988 · 32 citations

Physical Activity, Kinesiology, Upright Treadmill +11