Code HAVIC @medschoolbro = Mystery Discount 🚨 Shock in 40 Seconds — Know This for Step 🩸 Hypovolemic = Blood/fluid loss → cold, clammy, low preload, low CO, high afterload 💔 Cardiogenic = Pump failure (MI) → JVD, crackles, high preload, very low CO 🔥 Distributive (Sepsis/Anaphylaxis) = Vasodilation → warm, bounding pulses, low afterload, high CO ⛔ Obstructive = Blocked flow (PE, tamponade, tension pneumo) → sudden hypotension JVD, low CO Pattern = diagnosis. Miss it, you miss the question. #