| http://www.w3.org/ns/prov#value | - Physicians are particularly familiar with evaluating heart sounds as part of a basic physical examination, and a stethoscope is a standard component in a physician's diagnostic tool box. [0009] An extravascular hemodynamic monitor that includes vascular plethysmography, heart and lung sound, thoracic impedance and ECG sensors is generally disclosed in U.S. Pat. No. 6,409,675, issued to Turcott, in
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