[Continuous short-time (0.25 to 10 s) analog and digital recording].
D002309:Cardiology / Q000600:supply & distribution*; D004864:Equipment and Supplies; D006321:Heart / Q000502:physiology*; D007287:Inorganic Chemicals; D009930:Organic Chemicals
D007287:Inorganic Chemicals; D009930:Organic Chemicals
CARDIOLOGY/equipment and supplies; HEART/physiology