Which investigation best confirms Anaphylaxis?
Answer and explanation
Correct answer: B. Serum mast cell tryptase
- Step 1: The test that best confirms Anaphylaxis is: serum mast cell tryptase.
Answer
Serum mast cell tryptase.
Why not the others: 'Serum IgE alone': it shows allergic tendency but is not specific for the acute event. 'Chest radiograph': it does not confirm anaphylaxis. 'Arterial blood gas': it shows hypoxia but not the cause.
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