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Infection Control
Introduction
• This lesson covers the guidelines developed by the U.S. Centers for
Disease Control (CDC) in 1996 for preventing the spread of infection.
• These guidelines are in two sections, called Standard Precautions and
Additional Precautions, and are designed especially for healthcare
workers.
• The guidelines are an updated version of the 1985 CDC Universal
Precautions.
Learning Objectives
At the end of this session, the learner will:
1. Understand the four disease transmission categories.
2. Understand Standard Precautions and how and when they should
be used.
3. Understand Additional Precautions and how and when they should
be used.
4. Be able to apply this understanding at work.
Disease transmission
Four ways diseases are passed around:
A—Airborne transmission: Airborne germs can travel long distances through the air and are
breathed in by people. Examples of diseases caused by airborne germs: TB, chickenpox.
B—Bloodborne transmission: The blood of an infected person somehow comes in contact with the
bloodstream of another person, allowing germs from the infected person into the other person’s
bloodstream. Blood and bloodborne germs are sometimes present in other body fluids, such as
urine, feces, saliva, and vomit. Examples of diseases caused by bloodborne germs: AIDS, hepatitis.
C—Contact transmission: Touching certain germs can cause the spread of disease. Sometimes you
touch an infected person, having direct contact with the germ. Sometimes you touch an object that
has been handled by an infected person, having indirect contact with the infection. Examples of
diseases caused by contact germs: pinkeye, scabies, wound infections, MRSA.
D—Droplet transmission: Some germs can only travel short distances through the air, usually not
more than three feet. Sneezing, coughing, and talking can spread these germs. Examples of diseases
caused by droplet germs: flu, pneumonia.
Standard Precautions
1. Wash hands
• After touching blood, body fluids, or objects contaminated by blood or body fluids. Do this even if you were
wearing gloves.
• After removing gloves.
• Between each client’s care.
2. Wear gloves
• Whenever you touch blood, body fluids, or contaminated objects.
• Before touching a client’s broken skin or mucous membranes (mouth, nose), put on clean gloves.
• Change gloves between tasks and between each client’s care. Dirty gloves spread germs, just like dirty hands!
3. Wear a gown, mask, and goggles
• If you know you might get splashed with blood or body fluids. Use a waterproof gown if you might get heavily
splashed.
• Remove dirty protective clothing as soon as you can and wash your hands afterward.
4. Keep everything clean
• Clean up spills as soon as possible.
USE STANDARD PRECAUTIONS FOR ALL CLIENT CARE.
THIS IS BASIC INFECTION CONTROL FOR BLOODBORNE DISEASES
TO PROTECT YOU AND YOUR CLIENTS.
Standard Precautions for handling objects
1. Clean any equipment that has been used by one client before giving it to another
client. Follow your facility’s cleaning procedures.
2. Use disposable equipment only once.
3. Dirty linens should be rolled, not shaken, and should be held away from your
body. Linens soiled with body fluids can be washed with other laundry, using your
facility’s procedures.
4. No special precautions are needed for dishes or silverware. Normal dish soap
and hot water (water temperature must be hot enough to meet state
requirements) will kill germs.
5. Change cleaning rags and sponges frequently.
6. Stethoscopes, blood pressure cuffs, and thermometers should be cleaned
between each use, using your facility’s procedures.
Standard Precautions for handling objects
7. Dispose of dangerous waste such as needles VERY CAREFULLY. Needles and other sharp
devices should go into clearly marked puncture-proof containers, NOT the regular trash
container! DO NOT RECAP used needles—put them in the puncture-proof container
without the cap on.
8. Trash that is contaminated with germs, such as wound dressings, should be disposed of
according to your facility’s procedures.
9. Any container marked “Biohazard” is only for discarding contaminated waste—don’t
remove anything from it! If you must handle anything in the container, always use gloves.
Don’t put your hand in anything that contains needles or other sharp objects.
10. Check your gloves and other protective clothing frequently. If you see tears or holes,
remove the gloves, wash your hands, and apply clean gloves.
TIP: Don’t touch your face (nose, mouth, eyes) when giving client care, unless you
remove your gloves and wash your hands first. Protect yourself from infection.
Additional Precautions
If you know that a client has a disease that is spread in one of the following ways,
use these extra precautions:
1. Airborne
• The client should have a private room, possibly one with a special air filter.
• Keep the client’s room door closed.
• Wear a mask. If the client has, or might have, tuberculosis, wear a special
respiratory mask (ask your supervisor). A regular mask will not protect you.
• Remind the client to cover nose and mouth when coughing or sneezing.
• Ask the client to wear a mask if he or she wants or needs to be around others.
Additional Precautions (cont)
2. Contact
• The client should be in a private room, but the door may stay open.
• Put gloves on before entering the room.
• Change gloves after touching a contaminated object (bed linens, clothes, wound
dressings).
• Remove gloves right before leaving the room. Don’t touch anything else until you
wash your hands. Wash your hands ASAP!
• Wear a gown in the room if the client has drainage, has diarrhea, or is
incontinent. Remove the gown right before leaving the room.
• Use a disinfectant to clean stethoscopes, blood pressure cuffs, or any other
equipment used on the infected client.
Additional Precautions (continued)
3. Droplet
• The client should be in a private room, but the door may stay open.
• Wear a mask when working close to the client (within three feet).
• Ask the client to wear a mask if he or she wants or needs to be around others.
Handwashing rule: Rub hands together with soap and running water for at least
10 seconds. Germicidal gels are not enough!
USE ADDITIONAL PRECAUTIONS IN ADDITION TO STANDARD PRECAUTIONS WHEN A
CLIENT HAS AN ILLNESS REQUIRING EXTRA INFECTION CONTROL MEASURES.

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6 infection control

  • 2. Introduction • This lesson covers the guidelines developed by the U.S. Centers for Disease Control (CDC) in 1996 for preventing the spread of infection. • These guidelines are in two sections, called Standard Precautions and Additional Precautions, and are designed especially for healthcare workers. • The guidelines are an updated version of the 1985 CDC Universal Precautions.
  • 3. Learning Objectives At the end of this session, the learner will: 1. Understand the four disease transmission categories. 2. Understand Standard Precautions and how and when they should be used. 3. Understand Additional Precautions and how and when they should be used. 4. Be able to apply this understanding at work.
  • 4. Disease transmission Four ways diseases are passed around: A—Airborne transmission: Airborne germs can travel long distances through the air and are breathed in by people. Examples of diseases caused by airborne germs: TB, chickenpox. B—Bloodborne transmission: The blood of an infected person somehow comes in contact with the bloodstream of another person, allowing germs from the infected person into the other person’s bloodstream. Blood and bloodborne germs are sometimes present in other body fluids, such as urine, feces, saliva, and vomit. Examples of diseases caused by bloodborne germs: AIDS, hepatitis. C—Contact transmission: Touching certain germs can cause the spread of disease. Sometimes you touch an infected person, having direct contact with the germ. Sometimes you touch an object that has been handled by an infected person, having indirect contact with the infection. Examples of diseases caused by contact germs: pinkeye, scabies, wound infections, MRSA. D—Droplet transmission: Some germs can only travel short distances through the air, usually not more than three feet. Sneezing, coughing, and talking can spread these germs. Examples of diseases caused by droplet germs: flu, pneumonia.
  • 5. Standard Precautions 1. Wash hands • After touching blood, body fluids, or objects contaminated by blood or body fluids. Do this even if you were wearing gloves. • After removing gloves. • Between each client’s care. 2. Wear gloves • Whenever you touch blood, body fluids, or contaminated objects. • Before touching a client’s broken skin or mucous membranes (mouth, nose), put on clean gloves. • Change gloves between tasks and between each client’s care. Dirty gloves spread germs, just like dirty hands! 3. Wear a gown, mask, and goggles • If you know you might get splashed with blood or body fluids. Use a waterproof gown if you might get heavily splashed. • Remove dirty protective clothing as soon as you can and wash your hands afterward. 4. Keep everything clean • Clean up spills as soon as possible.
  • 6. USE STANDARD PRECAUTIONS FOR ALL CLIENT CARE. THIS IS BASIC INFECTION CONTROL FOR BLOODBORNE DISEASES TO PROTECT YOU AND YOUR CLIENTS.
  • 7. Standard Precautions for handling objects 1. Clean any equipment that has been used by one client before giving it to another client. Follow your facility’s cleaning procedures. 2. Use disposable equipment only once. 3. Dirty linens should be rolled, not shaken, and should be held away from your body. Linens soiled with body fluids can be washed with other laundry, using your facility’s procedures. 4. No special precautions are needed for dishes or silverware. Normal dish soap and hot water (water temperature must be hot enough to meet state requirements) will kill germs. 5. Change cleaning rags and sponges frequently. 6. Stethoscopes, blood pressure cuffs, and thermometers should be cleaned between each use, using your facility’s procedures.
  • 8. Standard Precautions for handling objects 7. Dispose of dangerous waste such as needles VERY CAREFULLY. Needles and other sharp devices should go into clearly marked puncture-proof containers, NOT the regular trash container! DO NOT RECAP used needles—put them in the puncture-proof container without the cap on. 8. Trash that is contaminated with germs, such as wound dressings, should be disposed of according to your facility’s procedures. 9. Any container marked “Biohazard” is only for discarding contaminated waste—don’t remove anything from it! If you must handle anything in the container, always use gloves. Don’t put your hand in anything that contains needles or other sharp objects. 10. Check your gloves and other protective clothing frequently. If you see tears or holes, remove the gloves, wash your hands, and apply clean gloves. TIP: Don’t touch your face (nose, mouth, eyes) when giving client care, unless you remove your gloves and wash your hands first. Protect yourself from infection.
  • 9. Additional Precautions If you know that a client has a disease that is spread in one of the following ways, use these extra precautions: 1. Airborne • The client should have a private room, possibly one with a special air filter. • Keep the client’s room door closed. • Wear a mask. If the client has, or might have, tuberculosis, wear a special respiratory mask (ask your supervisor). A regular mask will not protect you. • Remind the client to cover nose and mouth when coughing or sneezing. • Ask the client to wear a mask if he or she wants or needs to be around others.
  • 10. Additional Precautions (cont) 2. Contact • The client should be in a private room, but the door may stay open. • Put gloves on before entering the room. • Change gloves after touching a contaminated object (bed linens, clothes, wound dressings). • Remove gloves right before leaving the room. Don’t touch anything else until you wash your hands. Wash your hands ASAP! • Wear a gown in the room if the client has drainage, has diarrhea, or is incontinent. Remove the gown right before leaving the room. • Use a disinfectant to clean stethoscopes, blood pressure cuffs, or any other equipment used on the infected client.
  • 11. Additional Precautions (continued) 3. Droplet • The client should be in a private room, but the door may stay open. • Wear a mask when working close to the client (within three feet). • Ask the client to wear a mask if he or she wants or needs to be around others. Handwashing rule: Rub hands together with soap and running water for at least 10 seconds. Germicidal gels are not enough! USE ADDITIONAL PRECAUTIONS IN ADDITION TO STANDARD PRECAUTIONS WHEN A CLIENT HAS AN ILLNESS REQUIRING EXTRA INFECTION CONTROL MEASURES.