Orthopaedic Surgery: Prioritization, Assessment, and Definitive Care
Domain overview
The Orthopaedic Surgery domain tests whether you can apply a systematic, safety-first approach to musculoskeletal problems across trauma, degenerative joint disease, sports injury, pediatric deformity, spine, hand, foot and ankle, and oncology. Questions reward prioritization, accurate neurovascular assessment, and evidence-based definitive management rather than pattern recognition alone.
Core rules
- Resuscitation precedes reconstruction: in a polytrauma patient, complete the primary survey and treat life-threatening hemorrhage before limb fixation.
- Every injured limb gets a neurovascular examination, assessment of the joint above and below, and immobilization; document findings before and after reduction.
- Open fractures require early IV antibiotics, tetanus assessment, and timely operative debridement; classify the soft-tissue injury and document it before dressing.
- Compartment syndrome is a clinical diagnosis: pain out of proportion, pain with passive stretch, and a tense compartment. Do not wait for pulselessness.
- Pediatric physeal injuries follow Salter-Harris classification; type I may be radiographically normal, and types IV and V carry growth-disturbance risk.
- Arthroplasty patients need infection prevention, venous thromboembolism risk stratification, and aseptic technique.
Worked example
A 28-year-old man is hypotensive after a motorcycle crash and has a closed, deformed tibial shaft fracture. Immediate tibial nailing is not the next step. Complete the ATLS primary survey, control external bleeding, obtain IV access, and assess the pelvis, abdomen, and chest for occult hemorrhage. Examine and document distal pulses and sensation, then splint the tibia. Definitive fixation waits until resuscitation end points are met; temporary stabilization may reduce bleeding and pain but must not delay hemorrhage control.
Traps
- Anchoring on the obvious fracture and missing shock from pelvic or intra-abdominal bleeding.
- Diagnosing compartment syndrome only after pulse loss; pulselessness is a late finding.
- Ordering advanced imaging before addressing an open fracture or neurovascular compromise.
- Forgetting the joint above and below, thereby missing a knee dislocation or ankle injury.
- Treating a pediatric buckle fracture like an adult fracture or missing a physeal injury.