Wearable wrist-worn, finger-worn, torso-worn monitors used to measure biometric data for medical use; Wearable monitors used to measure biometric data for medical use; Health monitoring devices consisting of blood pressure monitors, thermometers and pedometers; Sensors for medical use to be worn by a human to gather human biometric data and also including an accelerometer, a gyroscope sold as a unit; Medical apparatus and instruments for monitoring vital signs, blood pressure, heart rate, blood oxygen saturation, electrocardiographic activity; Patient medical monitors for monitoring vital signs, blood pressure, heart rate, blood oxygen saturation, electrocardiographic activity; Medical devices for monitoring blood oxygen saturation, blood gas concentrations, vital signs and respiratory events; Medical apparatus and instruments for monitoring blood oxygen saturation, blood gas concentrations, and vital signs; Medical apparatus for monitoring vital signs of patients; Electronic wrist sphygmomanometers; Blood pressure monitors; Heart rate monitors; Pulse oximeters for medical purposes; Medical instruments to measure blood pressure, cardiac output and other physiological and cardiovascular parameters; Alarms and sensors to be worn on a person while exercising for the purpose of monitoring heart rate