Appendicitis Pain Progression & Clinical Sign Simulator

Interactive Pathophysiology, Neuro-Anatomy, and Alvarado Triage Workbench
Retrocecal Variant T+14h Post-Obstruction
1. Anatomical Palpation & Exam Maneuvers Tap Quadrants or Triggers
Periumbilical (T10) ASIS McBurney's Point LLQ (Rovsing) Epigastrium
Patient Bio-Response: "Sharp, severe pain localized right at McBurney's point upon palpation! Guarding present."
Diagnostic Physical Exam Maneuvers
Anatomical Variation
2. Pathophysiological Timeline (0h → 48h+) Stage 2: Focal Peritonitis
Elapsed: 14 Hours Post-Obstruction Perforation Risk: Moderate (Escalating)
0h (Obstruction) 12h (Somatic RLQ) 24h (Ischemia) 36h+ (Perforation)
Pain Location
Right Lower Quadrant (McBurney's Point, one-third distance from ASIS to umbilicus)
Dominant Nerve Pathway
Somatic parietal peritoneal nociceptors (T12-L1 spinal nerves via somatic afferents)
Pathophysiology Micro-State
Localized transmural inflammation with focal peritonitis (12-24 hours post-obstruction)
3. Alvarado & AIR Diagnostic Triage Matrix
ALVARADO TRIAGE SCORE
High Probability Acute Appendicitis (Urgent Surgical Evaluation)
8 / 10
Recommended Clinical Action Plan
Immediate Emergency Department surgical consultation, NPO protocol, targeted ultrasound/CT confirmation
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