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304 North Cardinal St.
Dorchester Center, MA 02124
Clinical Manifestations Pulmonary hypertension, defined hemodynamically, refers to a broad range of conditions with a final common feature of raised arterial pulmonary pressures. Symptoms are nonspecific and include lethargy, reduced exercise capacity, and breathlessness. Clinical signs, when present, are compelling—edema…
Tissue Doppler Imaging Doppler shifts within the heart return either from moving red blood cells or moving myocardial tissue. Blood flow is high velocity; therefore, pulsed-wave Doppler assessment requires backscatter of high velocities and low amplitudes. In comparison, tissue Doppler…