Physicians have at all times wished a medical and health device that they will make the most of to monitor the heartbeat rate and blood oxygen ranges of individuals and patients while the physician is on the go. The machine that provides this feature of measuring pulse rate and blood oxygen saturation is a pulse oximeter. Greek medication was so highly effective, all-encompassing and successful that the Romans made few advances. For many of the length of the Roman Empire, Greek physicians have been employed. They loved the status of free citizens and one in every of their number, Galen (Latin name Claudius Galenus, c. AD 130-201), combined the speculation of the humours together with his own research in anatomy and physiology to provide a complete medical encyclopedia, which remained a standard reference for greater than a thousand years even supposing his anatomical descriptions, which were primarily based on dissections … Read more