Heart rate responses of scuba divers via ultrasonic telemetry.
D000293:Adolescent; D000328:Adult; D004242:Diving; D004452:Echocardiography / Q000379:methods; D005260:Female; D006339:Heart Rate; D006801:Humans; D006985:Hyperventilation / Q000503:physiopathology; D008297:Male; D012119:Respiration; D012623:Seawater; D013315:Stress, Psychological / Q000502:physiology; D013686:Telemetry / Q000379:methods; D013997:Time Factors; D014465:Ultrasonics