Concept of Asepsis(6).pptxiiwiwiwiwiiwiwkw

Unit IV:
Concept of Asepsis: Medical &
Surgical Asepsis
BSN-1st
Microbiology
Sawaira Maqsood

Medical Asepsis
• Medical asepsis is the process of reducing the number of
microorganisms present and preventing their spread. This is crucial in
preventing the transmission of infections both within healthcare
settings and in the community. Key steps in medical asepsis include:
• 1. Hand hygiene: Regular hand washing and the use of alcohol-based
hand sanitizers are essential in preventing the spread of infection.
• 2. Disinfection: The use of disinfectants to clean surfaces, equipment,
and other items helps to reduce the number of microorganisms
present and minimize the risk of infection.

Surgical Asepsis
• Surgical asepsis, on the other hand, is the process of creating a
completely sterile environment free of all microorganisms. This is
particularly important in surgical settings, where even a single
microorganism can lead to serious complications, such as surgical site
infections. Key steps in surgical asepsis include:
• 1. Sterilization: The use of heat, chemicals, or radiation to kill all
microorganisms on instruments and equipment is essential in
maintaining a sterile environment.
• 2. Use of sterile instruments: Only sterile instruments should be used
during surgery to prevent the introduction of pathogens into the
patient’s body.

The chain of Infection – infectious agents

The Chain Of Infection – Reservior

Concept of Asepsis(6).pptxiiwiwiwiwiiwiwkw

Concept of Asepsis(6).pptxiiwiwiwiwiiwiwkw

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Concept of Asepsis(6).pptxiiwiwiwiwiiwiwkw