Blood borne pathogens
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BLOOD-BORNE PATHOGENS. Grade 12 Healthcare. Blood-Borne Pathogens?. Disease-causing microorganisms carried in the host ' s blood Transmitted from one host to another through contact with infected blood, tissue, body fluids, or mucus membrane. Transmission of Blood-Borne Pathogens. Blood

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BLOOD-BORNE PATHOGENS

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Blood borne pathogens

BLOOD-BORNE PATHOGENS

Grade 12 Healthcare


Blood borne pathogens1

Blood-Borne Pathogens?

Disease-causing microorganisms carried in the host's blood

Transmitted from one host to another through contact with infected blood, tissue, body fluids, or mucus membrane


Transmission of blood borne pathogens

Transmission of Blood-Borne Pathogens

Blood

Blood products (plasma)

Human tissue

Semen

Vaginal Secretions

Saliva from dental procedures

Cerebrospinal fluid (from around brain and spinal cord)

Breast milk


Transmission of blood borne pathogens1

Transmission of Blood-Borne Pathogens

Only viable source of transmission if contains traces of blood:

Feces

Nasal secretions

Perspiration

Tears

Urine

Vomit

Saliva


Blood borne pathogens introduced into a new host through several routes including

Blood-borne pathogens introduced into a new host through several routes, including:

Needle sticks from needles used on an infected person

Any body opening of an uninfected person

Cuts or abrasions on the skin of the uninfected person

A transfusion with infected blood


Hepatitis

Hepatitis

  • Viral infection of the liver

  • Five Strands: HAV, HBV, HCV, HDV, HEV


Hepatitis1

Hepatitis

RISK FACTORS

  • Sexual Contact

  • Intravenous Drugs

  • Hemophilia (disorder)

  • Receiving hemodialysis – procedure where toxic wastes are removed from a patient’s blood


Hepatitis2

Hepatitis

THREE STAGES OF INFECTION

(1) PRODROMAL STAGE: Nausea & Vomiting OR not symptoms at all – no intense symptoms yet

(2) JAUNDICE: 5-10 days after infection (yellowing of eyes, skin, mucus membrane)

(3) CONVALESCENT: 2-3 weeks after infection (Symptoms intensify)


Hepatitis3

Hepatitis

SYMPTOMS

Jaundice

Diminished appetite

Fatigue

Nausea

Joint pain

Stomach pain

Vomiting…


Hepatitis4

Hepatitis

DIAGNOSIS

Investigation of risk factors & blood tests


Hepatitis5

Hepatitis

PREVENTATIVE MEASURES

Avoid contact with contaminated substances, take universal precautions and vaccinations


Careers at an increased risk

Careers at an increased risk…

Health care professionals

Law enforcement officers

Firefighters

Barbers

Cosmetologists


Discussion questions think pair share

Discussion Questions: THINK-PAIR-SHARE

  • Then answer the following questions with your partner:

    • Do you think health-care workers are more or less susceptible to BBPs? Why or why not?

    • What can you do as a health-care worker to keep yourself safe from BBPs?

    • Should health-care workers notify their colleagues if they are working with a patient with a BBP ? Why or why not? (remember to consider patient confidentiality)

    • How would you advise your patients to stay protected from BBPs?

    • How do you avoid “picking up” BBP(s) when travelling?


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