Journal of Cardiovascular Medicine and Cardiology
Editorial
Exercise Echocardiography in Hypertrophic Cardiomyopathy
On the left, resting and peak exercise images in the 4- and 2-chamber
apical views in a patient with HCM and dyspnea during physical effort,
at diastole (D) and end-systole (S). Note the reduction of LV cavity
with exercise in this patient. LV ejection fraction increased from 64 to
72%. On the right, color and continuous wave Doppler images at rest and
at exercise. Note the exercise-induced LV outflow tract obstruction and
accompanying mild-to-moderate mitral regurgitation, both due to
systolic anterior motion of the mitral valve.
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