Resp Flashcards
What happens in a type 1 hypersensitivity reaction.
Give examples
Immediate
IgE mediated
Mast cells/basophil degranulation
Anaphylactic shock, allergies
Type II hypersensitivity, what is it and examples
Immediate
IgG/IgM mediated
Phagocytosis/ cyto-toxic
Autoimmune diseases, haemolytic diseases
Type III hypersensitivity, what is it and examples
Immediate
IgG/IgM mediated
Inflammation, vasculitis
Serum sickness (induced by drugs)
Type IV hypersensitivity, what is jt and examples
Delayed (day later)
T cell mediated
Inflammation/cytotoxic
Contact dermatitis, basis of TB skin test
What is classed as t1 resp failure and give possible causes
PO2< 8kpa w normal or low CO2
Pnuemonia, PE etc
Type 2 resp failure
PO2 <8kpa PCO2>6.5
What would u expect for ABG results of a man suffering COPD for 2 years
Hypercapnic, low O2 sats, exhibit t2 resp failure, resp acidosis completley compensated by metabolic acidosis
Antibiotic Treatment for acute exacerbation of COPD
B) What if penicillin allergic
Amoxicillin
B) doxcycline
Diseases caused by birds
Chlamydia pisittachi
Avian proteins - extrinsic allergic alveolitis
Influenza c
What does respiratory synctial virus cause?
Rotavirus
Why do you get increased mucous in chronic bronchitis
Inc gobket cells?
Most appropriate initial investigation for suspected tb
Chest x ray- to rule out other infections
Then smear for acid fast bacilli
Resp rate over what to get a mark on curb score
Has to be over 30
Legionella g- or g+
How can it be contracted
G- bacilli
Air conditioning
SIADH increased by what
Small cell lung cancer