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


Microbiology alcamo origins of aseptic technique


Lister video

Lister Video ______ instruments, ______ hands, no more “aprons” or _______ ________, clean _________ _______ (no more “theatre”)


Antiseptics
Antiseptics ______ instruments, ______ hands, no more “aprons” or _______ ________, clean _________ _______ (no more “theatre”)

  • 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.