Respiratory part 2 Flashcards
What shape is tuberculosis?
Acid-fast aerobic rod
What does tuberculosis affect?
Primary affects the lungs but can also affect meninges, kidneys, bones, and lymph nodes.
How is tuberculosis spread?
Airborne transmission
How does tuberculosis enter the body?
Mycobacteria is inhaled, settles in the alveoli, and from there can enter the blood stream & spread.
What is the defining factor of latent TB?
Germs are dormant or asleep and so the patient won’t even seem sick.
T/F
Latent TB cannot be spread to others
true
What is the medication regimen like for latent TB? What is the most important thing about this?
Take one medication for 9-12 months. Compliancy is important
What is active TB?
TB with germs that reproduce and spread causing tissue damage in the affected areas
(remember we listed those) - and you will feel sick.
Active TB symptoms
Persistent cough for more than 3 weeks
Weight loss
Night sweats
Fever
How do we diagnose the an active TB?
Chest xray will show it
PPD skin test
Your patient who tested positive for TB in the blood gets a chest x ray. If there infection is latent, will it show up on xray?
No - a latent TB infection will not be on xray.
Can you spread active TB?
Yes if it is in your lungs and larynx/voicebox by sneezing, coughing, talking, singing
What is a priority when dealing with a TB patient?
Infection control. Even if you aren’t sure, put up the airborne precaution signs.
What are all the available test to identify TB?
Mantoux skin test PPD
Chest xray
Sputum
Interferon gamma blood test
When doing the mantoux TB skin test, what is a positive result?
What test will they do next?
If after 72 hours theres wheel, then it is considered positive. Will need to do a chest x ray to confirm for sure.
What is the interferon gamma release TB test?
It looks for TB in the blood