10 monitors for alerting medical staff to patient emergencies, comprised of computer keyboards, microcomputers, mointors, disk drives, printers, modems, computer cables and instruction manuals and printed medical charts sold as a unit therewith; cardiac monitors and cardiac imagers; ECG analyzers and leadwires therefor; pacemaker analyzers; ECG recorders; surgical monitors; pulse oximeters and probes therefor; fetal and maternal monitors; obstetrical doppler transducers, fetal stimulators, electrodes for fetal monitors; uterine activity transducers, monitors, pressure sensors and valves therefor; sleep apnea and respiration monitors; ultrasonic transducers; temperature monitors for medical use; catheters for positioning fetal and maternal sensors; blood pressure monitors; keypads for medical monitors and analyzers and covers therefor; critical care monitors; nasal cannulae; remote controls for medical monitors and analyzers; leads, cables, cable adaptors, connectors, cable adaptors, and battery packs for medical monitors, analyzers and sensors; medical data transmitters and receivers and antenna therefor; medical alarm displays; clinical medical apparatus for recording and storing ECG wave forms and other cardiac data; electrocardiographic medical data acquisition modules; respiratory and anesthetic gas monitors and analyzers; cardiac stress testers and exercise treadmills for cardiac stress testers; pacemaker analyzers; arrythmia recognition trainers; medical patient monitoring and analyzing apparatus for storing, reviewing, analyzing and monitoring ECG wave forms and other cardiac data and comprising a central processing unit, a printer, a monitor, a modem, data storage modules and an optical disk reader; cardio pulmonary parameters monitor, blood pressure, ECG data and wave forms and numeric and wave forms for hemodynamic values; cardiopulmonary exercise testers; cardiac respiratory monitors; couplers for interfacing medical monitoring, testing, analyzing and storage devices; water traps and filters for medical equipment; neonatal monitors; analyzers for ECG signals, defibrillating and pacing; Holter recorders; cardiac catheters; medical electrodes for ECG monitoring, recording and analyzing; plates, straps and clamps for attaching medical electrodes to a patient; pediatric medical electrodes; medical electrode clips; Holter hook up kits containing skin preparatory compositions, electrodes, batteries, magnetic recording tape and patient diaries; stress vests, belts and shoulder straps for use with Holter recorders and for medical data telemetry transmitters; ambulatory blood pressure hook up kits comprising microphone pads, blood pressure cuff pads, skin preparation pads, medical electrodes, patient diaries and adhesive strips; blood pressure cuffs and tubing therefor; blood pressure measurers and replacement parts therefor, namely, cuffs, cables, transducers, microphones, lead wires and cables; defibrillators, defibrillator pads and electrodes; battery packs for defibrillators; defibrillator paddles and power storage controllers for defibrillators; defibrillator cables and data cards; fetal monitors, neonatal monitors and infant monitors, all comprised of instruments for measuring and monitoring fetal and human body reactions; patient monitoring display units; endoscopes; capillary tubes; ph test cartridges; stethoscopes, heart beat detecting transducers, and electrodes for use with heart rate monitoring devices, and parts and fittings therefor