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Anaphylaxis: How to recognize and respond to a severe allergic reaction

Anaphylaxis: Video, Causes, & Meaning | Osmosis

Tryptase Blood Test Results Explained - HRF

Jessica Lee, MD, DipABLM on Instagram: "Could MCAS (mast cell activation syndrome) be the cause of your sinus issues? 🤧 MCAS is characterized by👇🏻 Episodic flares involving two or more body systems (respiratory, GI, skin, cardiovascular) that responds to “anti-mediator” therapy. Ask yourself these questions: 1️⃣ How long does my nasal congestion/sinus pressure/ear fullness/etc last? (MCAS episodes are typically distinct and last less than 24hrs-sometimes only minutes) 2️⃣ What other symptoms

Zachary Spiritos MD MPH on Instagram: "When you first learn how many tests exist for mast cell activation syndrome… it feels incredible. Chromogranin A (off PPIs), plasma histamine, heparin, urinary leukotriene E4, tryptase, 2,3-dinor–PGF2α, N-methylhistamine — the list goes on. It feels like a whole toolbox of answers. 🙌 But here’s the truth no one tells you: These tests fall short a lot of the time. Why? Because they’re measuring mast cell mediators — chemicals that survive only minutes in th