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Phlebotomy is the process of making a puncture in a vein, usually in the arm, with a cannula for the purpose of drawing blood. [1] The procedure itself is known as a venipuncture , which is also used for intravenous therapy .
Therapeutic phlebotomy refers to the drawing of a unit of blood in specific cases like hemochromatosis, polycythemia vera, porphyria cutanea tarda, etc., to reduce the number of red blood cells. [ 6 ] [ 7 ] The traditional medical practice of bloodletting is today considered to be a pseudoscience .
1845 – John Hughes Bennett first describes leukemia as a blood disorder. 1846 – First painless surgery with general anesthetic. 1847 – Ignaz Semmelweis discovers how to prevent puerperal fever. 1849 – Elizabeth Blackwell is the first woman to gain a medical degree in the United States.
A 12th-century manuscript of the Hippocratic Oath in Greek, one of the most famous aspects of classical medicine that carried into later eras. The history of medicine is both a study of medicine throughout history as well as a multidisciplinary field of study that seeks to explore and understand medical practices, both past and present, throughout human societies.
The following dates are approximations. 700 BC: Pythagoras's theorem is discovered by Baudhayana in the Hindu Shulba Sutras in Upanishadic India. [18] However, Indian mathematics, especially North Indian mathematics, generally did not have a tradition of communicating proofs, and it is not fully certain that Baudhayana or Apastamba knew of a proof.
Phlebotomy licensure is the process by which various regulatory bodies regulate the practice of phlebotomy within its jurisdiction through licensure. In many countries a license is not required, or is obtained through other broader qualifications (such as a medical license), while in others, professional phlebotomists are separately licensed.
While sifting through rocks and fossils in England, paleontologists discovered two teeth belonging to two different critters living 145 million years ago.
The first historical achievement in anesthesia occurred around 4000 BC in ancient Mesopotamia. [5] [10] [33] [34] [35] This was the advent of Ethanol(commonly known as ‘drinking alcohol’), the first general anaesthetic agent.