microbiology alcamo origins of aseptic technique
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Microbiology – Alcamo Origins of Aseptic Technique. The original interest in bacteria was disease. Ancient Techniques. Ancient records show that ___________ date far back into history: the ancient Chinese, Persians, and Egyptians had methods for ________ _________ and ___________ for wounds

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microbiology alcamo origins of aseptic technique

Microbiology – AlcamoOrigins of Aseptic Technique

The original interest in bacteria was disease.

ancient techniques
Ancient Techniques
  • Ancient records show that ___________ date far back into history:
    • the ancient Chinese, Persians, and Egyptians had methods for ________ _________ and ___________ for wounds
    • the ancient Greeks and Romans used _________ _________ to store fresh liquids and wine
later techniques
Later Techniques
  • Pioneers of the American West put ______ and _______ coins in drinking water to keep it fresh and prevent algae
  • Settlers in the Australian outback put ____________ in drinking water for the same purpose
later techniques1
Later Techniques
  • _________ _________ was used to prevent sepsis in wounds by Arabian physicians in the Middle Ages
  • _________ and ________ were introduced as a treatment for open wounds in 1825 and 1839, respectively
before 1850
Before 1850
  • 150 years ago it was difficult to distinguish between butcher and surgeon
  • Often the butcher was better
  • Surgeons advertised their experience by wearing their “surgical apron” over their street clothes.
  • Massive infections: post _________ and post __________
louis pasteur
Louis Pasteur
  • 1861 Louis Pasteur proved that microorganisms caused __________ and could be transported via the _____
  • He placed broth in flasks with long S-shaped necks, then boiled the broth and observed that no microorganisms grew in the flasks
  • These experiments were the basis for the development of ________ ________ 
louis pasteur1
Louis Pasteur
  • Pasteur showed that heat could kill microorganisms
  • This process was later named pasteurization
  • We still do this with our dairy products
ignaz semmelweis
Ignaz Semmelweis
  • Used knowledge gained from Louis Pasteur
  • He reduced the number of postpartum infections (________) in the wards of Vienna’s hospitals
  • He did this by urging doctors to ______ ______ ________ between patients.
joseph lister
Joseph Lister
  • By the mid-nineteenth century, post-operative sepsis infection accounted for the death of almost _______ the patients who underwent major surgery
  • Later in the 1860’s, an English surgeon named Joseph Lister also heard about Pasteur’s work
joseph lister1
Joseph Lister
  • He said sepsis was an infectious disease caused by __________
  • It was spread due to contaminated _______, _________, _________
  • He made nurses, medical students, and midwives wash hands in a _______ ________ and insisted on ______ _______and ________ for every patient
slide13

Instituted “Aseptic Techniques” in operating rooms: ______ instruments, ______ hands, no more “aprons” or _______ ________, clean _________ _______ (no more “theatre”)

  • Lister: 1st antiseptic _________ ________ aerosol, and on wound, also rubber gloves
antiseptics
Antiseptics
  • Antiseptics are substances that _____ and prevent the ________ of disease-causing organisms.
  • They areusually used on ________ wounds.
  • Surgeons also use antiseptics to ______ their hands and prepare thepatient\'s _____ before an operation. 
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