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11 Cards in this Set
- Front
- Back
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Allergens |
• Usually complex proteins • Look like an invader |
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The allergic spectrum |
Hay-fever, asthma, brittle asthma, anaphylaxis |
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Th2 lymphocytes |
prime the system |
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cytokines activate |
- B cells leading to IgE production - activate eosinophil -induce IgE receptors on mast cells and eosinophils |
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Bronchospasm |
• Smooth muscle contraction • Controlled by cyclic G. M. P. • Antagonised by cyclic A. M. P. |
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How much adrenaline? |
• Live people dose... IM 0.3 – 0.5 mg • IV don't..or very tiny? Possibly 25 µg • Dead people dose - It takes 1000 µg IV every 4 min to wake the dead! |
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Steroids? for anaphylaxis |
• Very effective in four hours |
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Antihistamines for management? |
• Good for lone rash and good when they’re better |
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virchow's triad |
-hypercoaguable state -venous stasis -vessel wall injury |
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Normal systolic pulmonary artery pressure |
is about 15–30 mmHg (mean pulmonary artery pressure, 6–16 mmHg) |
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Pulmonary hypertension (PH) is defined as a systolic pulmonary artery pressure greater than ? |
30 mmHg (or mean pulmonary artery pressure greater than 20 mmHg). |
