title: Technical aspects of monitoring the heart rate of active persons.
mesh_terms: D001458:Bandages; D004553:Electric Conductivity / Q000187:drug effects; D004562:Electrocardiography / Q000295:instrumentation / Q000592:standards; D004566:Electrodes / Q000295:instrumentation; D004576:Electromyography; D000431:Ethanol; D005069:Evaluation Studies as Topic; D005782:Gels / Q000494:pharmacology; D006339:Heart Rate; D006801:Humans; D008722:Methods; D005082:Physical Exertion; D012146:Rest; D012272:Ribs; D012867:Skin / Q000187:drug effects; D012879:Skin Physiological Phenomena; D013249:Sternum
chemical_list: D005782:Gels; D000431:Ethanol