S3 M6 Immunity Flashcards
Tuberculosis
Disease affecting lung parenchyma
associated with poverty
TB spread is
airborne
TB patho
airborne
multiply in alveoli and get transported via blood and lymph
as infected cells die they accumulate in lung causing bronchopneumonia
Can recur
TB infection occurs to weeks after exposure
2 to 10
S/S of EARLY TB
insidious
Low fever
cough
sweats
fatigue
weight loss
As TB progresses S/S includes
Mucopurulent sputum expectorate
Hemoptysis - blood in cough
Elder TB patients have _ pronounced symptoms
Less
If pt presents with positive skin, blood or sputum, for TB
Do history, physical exam, Chest xray, Drug susceptibility testing.
5mm or greater on TB test
Positive
Blood tests for TB
QuantiFERON Gold
T-Spot
rules out Active and Latent infections
Good for BCG vaccinated people
TB meds
Anti-TB agents
INH, Rifampin, Pyrazinamide, Ethambutol
Given for 6 to 12 months
Prolong treatment to ensure eradication
TB drug resistance
Primary - resistance to ONE drug in people who have not had previous treatment
Secondary - resistance to ONE OR MORE in people undergoing therapy
Multi - resistance to TWO agents
TB treatment phases
phase 1: all drugs + Vit B6 for 8 weeks
phase 2: INH and rifampin for 4 to 7 months
Nursing priorities with TB
Airway clearance
Adherence to meds
^ Activity and nutrition
Prevent transmission
Airway clearance with TB interventions
^ fluid intake
Postural drainage
Adherence to meds with TB
Take meds on empty stomach or 1h before meal
Food that messes with TB meds
Tune
Aged cheese
Red wine
Soy sauce
Yeast extract
Rifampin makes what meds less effective
Warfarin
digoxin
corticosteroids
Contact lenses and rifampin
Will be discolored
switch to glasses
Side effects of antiTB meds
Liver/Kidney problems (BUN, creatinine, enzymes)
Hearing loss
Rash
Prevent transmission with TB
Cover mouth
dispose of tissues
Hand hygiene
Do you report TB to the health department
YES
Allergies are related to Ig
IgE
Anaphylaxis
Type I hypersensitivity
Rapid release of IgE
severe life-threatening reaction