Unlocking The History of Medicine

Primitive Times Believed that illness and diseases were a punishment from the Gods First physicians were witch doctors who treated illness with ceremonies

Primitive Times Herbs and plants were used as medicine Foxglove plants leaves were chewed to strengthen & slow heart

Trepanation One of the first surgeries performed A hole was cut into the skull to release demons What do you think are some of the possible complications of this treatment?

Egyptians First to keep accurate health records Wrote prescriptions on papyrus Physicians were priests Temples were used as places of worship, medical schools, and hospitals

Egyptians (3000 BC- 300 BC) Embalming led to increased understanding of anatomy and diseases Strong antiseptics kept bodies from decaying Gauze used to wrap bodies is much like the surgical gauze used today

Egyptians (3000 BC- 300 BC) Leeches were used for bloodletting (draining human blood) Does not hurt because their saliva contains a natural anesthetic Their saliva also contains a blood thinner, a vasodilator, and an agent that prevents bacteria from infecting the wound FDA has approved use of leeches as a “modern” medical treatment.

Ancient Chinese (1700 BC–AD 220) Religion prohibited dissection of the body Believed you had to treat both the body and spirit Discovered a pharmacopoeia of medications based on herbs Therapies included acupuncture

Greeks (1200 BC –200 BC) Made observations about the human body and the effects of disease that led to modern medical sciences Believed illness is a result of natural causes

Greeks (1200 BC –200 BC) Used therapies such as massage, art therapy and herbal treatments Discovered that diet and cleanliness could prevent disease

Romans (753 BC – AD 410) Rooms in doctors houses where they cared for solders became the first hospitals Believed body was regulated by 4 humors that had to stay balanced to prevent illness (blood, phlegm, black bile, and yellow bile)

Romans (753 BC – AD 410) They established the first public health and sanitation systems by building sewers and aqueducts Treated disease with diet, exercise, and medication

Dark Ages (AD 400 – AD 800) Emphasis was on saving the soul Study of medicine was prohibited, so no new advancements were made Monks and priests treated patients with prayer

Middle Ages- (AD 800 –AD 1400) There was renewed interest in medical practices of the Greek and Romans Bubonic Plague killed 75% of the population in Europe and Asia Medical Universities were created

Middle Ages (AD 800 –AD 1400) Arab physicians used chemistry to advance pharmacology Arabs begin requiring physicians to pass examinations and obtain licenses

Renaissance (AD 1350–AD 1650) Dissection of the body led to an increased understanding of anatomy and physiology Invention of the printing press (Gutenberg) allowed medical knowledge to be shared. First anatomy book by Andreas Vesalius, was published

16th, 17th, and 18th Centuries Many people died from infections Invention of the microscope in 1666 allowed doctors to see disease-causing organisms Apothecaries led to development of pharmacies

16th, 17th, and 18th Centuries Edward Jenner developed the first vaccination to prevent the spread of smallpox in 1796

19th Century Formal training for nurses led by Florence Nightingale began Infection control methods were developed once microorganisms were associated with disease Viruses were discovered in 1892 Women became active participants in health care

20th Century Gained an increased knowledge about the role of blood in the body: ABO blood groups discovered Determined how white blood cells protect against disease

20th Century New medicines were developed: Insulin to treat diabetes Antibiotics to fight infections caused by bacteria Vaccines to prevent people from getting diseases caused by viruses

20th Century New machines were developed: Kidney dialysis machine Heart lung machine Computerized axial tomography (CAT) scan

20th Century Surgical and diagnostic techniques were developed to cure once fatal conditions: Organ transplants Limbs reattached Test tube babies Amniocentesis Implanted first artificial heart

20th Century Health care plans developed to help pay the cost of health care Medicare and Medicaid marked the entry of the federal government into the health care arena HMO’s provided an alternative to private insurance Hospice was organized

21st Century Emerging and re-emerging diseases Major breakthroughs in biotechnology 3D printing of limbs and organs Successful transplantations Longer lifespan Changes in scope of practice within all areas within the medical field ??? What is to come???

Ideas have come full circle

The End