Apparatus for cardiac arrhythmia diagnosis; blood pressure measuring apparatus; blood pressure monitoring cuff; blood pressure monitors; blood oxygen saturation monitors; EKG machines; electrocardiographs; electroencephalographs; electromyographs, namely, medical device for measuring electrical potential generated by muscle cells; Electrooculographs, namely, medical device for measuring electrical potential between electrodes placed at points close to the eye; heart monitors; heartbeat measuring apparatus; medical instrument for cardiovascular diagnostics; pulse measuring devices; pulse rate monitors; sphygmomanometers; belts for attaching medical monitors to patients; cardiac electrodes; Electrodes for medical use; Electronic temperature monitors for medical use; clinical thermometers; Fetal pulse monitors; heart monitors to be worn during exercise; Heart rate monitors for sports activities; Health monitoring devices for cardiovascular conditions, namely, heart monitors; Medical device, namely, a device for measuring leg movements during sleep; Medical instruments for recording heart activity; Respiratory monitors for sports activities; Medical apparatus and instruments for monitoring vital signs; Medical device for measuring blood flow; Medical device for breathing training, namely, devices used for endogenous breathing exercises; In-ear monitors for medical purposes; Medical apparatus and instruments for monitoring biofeedback process; Medical apparatus for monitoring electrodermal activity; Medical apparatus for monitoring galvanic skin response; pulse oximeter; Portable medical devices with sensors to monitor the physical movements of a patient wearing or carrying the device; Portable medical devices used for breathing exercises, namely, portable devices used for endogenous breathing exercises; Skin temperature indicators for medical use