A combined microphone for simultaneous recording of pulse and heart sounds.
D002339:Carotid Arteries; D004562:Electrocardiography / Q000295:instrumentation*; D004582:Electronics, Medical; D005263:Femoral Artery; D005268:Femoral Vein; D006326:Heart Auscultation; D006801:Humans; D007601:Jugular Veins; D008099:Liver; D008722:Methods; D010701:Phonocardiography / Q000295:instrumentation*; D011674:Pulse; D014159:Transducers