Medical devices for monitoring blood oxygen saturation, blood gas concentrations and vital signs; Medical devices for use in diagnosing cardiovascular health, pulse, heart rate, blood flow, and the Aortic pulse waves; Medical devices for use in treating or diagnosing cardiovascular health; medical devices, namely, cardiovascular sensors; Medical devices for use in treating or diagnosing cardiovascular health with integrated recorded operating system software, sold as a unit; Medical devices for use in treating or diagnosing cardiovascular health with integrated recorded software for monitoring cardiovascular health, pulse, heart rate, blood flow, the Aortic pulse waves, sold as a unit; Medical devices for use in treating cardiovascular health, pulse, heart rate, blood flow, the Aortic pulse waves; EKG monitoring apparatus; Portable EKG and heart rate monitors; portable medical apparatus for testing and monitoring heart rate, vital signs, cardiac events and biometric data; medical apparatus and testing instruments for monitoring heart rate, vital signs, and cardiac events with integrated operating software; testing apparatus for medical purposes, namely, personal testing apparatus for heart rate, vital signs, cardiac events, and cardiac reaction to other stimuli; medical devices for monitoring heart rate, vital signs, and cardiac events and downloadable software for recording, processing and transmitting medical data, for use therewith, sold as a unit; carrying cases fitted for portable medical apparatu