USMLE High-Yield Questions on Instagram: "Block party turns surgical real quick 😳 Free fluid on FAST + hypotension + rigid belly… what’s the move? 🚑🔪 ⸻ 💡 Explanation: • A) CT abdomen ❌ → Only for hemodynamically stable patients. This guy is unstable. • B) Diagnostic peritoneal lavage ❌ → Old school, only used if FAST is inconclusive. We already know there’s free fluid. • C) Exploratory laparotomy ✅ → Unstable patient + penetrating trauma + free fluid = straight to the OR. • D) Observation ❌