Immunology

Question 1

What blood marker increases after anaphylaxis

Answer 1

Tryptase

Question 2

Refractory anaphylaxis

Answer 2

Refractory anaphylaxis when 2 doses used adrenaline. Give IV fluid and get help for iV adrenaline.

Question 3

Adrenaline doses
<6m
6m-6y
6-12
12+

Answer 3

sudden onset and rapid progression symptoms - Airway and/or Breathing and/or Circulation problems
Every 5 mins adrenaline
<6M = 100-150mcg adrenaline IM
6m-6y = 150 IM adrenaline
6-12 = 300 (0.1ml of 1 in 1,000) adrenaline
12+ = 500mcg adrenaline

Question 4

Allergy tests and when

Answer 4

Skin prick
Easy + inexpensive. Look for wheal.
Food allergies + pollen

RAST
AMount iGe that reacts with suspected or known allergens.
Food allergies, inhaled allergens, wasp/bee venom
When skin prick not suitable (extensive eczema or taking antihistamines)

SKin patch
Contact dermatitis
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