Hip Fracture
Pathophysiology & Risk Factors
Hip fractures occur most often in older adults after low-energy falls, especially with osteoporosis. Intracapsular (femoral neck) fractures disrupt blood supply to the femoral head and risk avascular necrosis; extracapsular (intertrochanteric, subtrochanteric) fractures bleed heavily into surrounding tissue and risk hypovolemia.
Leg position tells the diagnosis
Hip fracture
- Length
- Shortened
- Rotation
- Externally rotated
- Position
- Adducted
Posterior hip dislocation
- Length
- Shortened
- Rotation
- Internally rotated
- Position
- Flexed, adducted
Signs & Symptoms
Diagnostics & Labs
Diagnostic
Monitor
Interventions & Priorities
Hip fracture course
- Fall + ED arrivalshortened, externally rotated leg
- Stabilize + assessneurovascular, pain, baseline, Buck's traction
- Surgical repairwithin 24-48 h; ORIF or arthroplasty
- Early mobilizationout of bed POD 1 to prevent DVT/PE, pneumonia
Treatments & Medications
Patient Teaching
Complications
Clinical Pearl
Shortened + externally rotated = hip fracture; shortened + internally rotated = posterior dislocation. Let the leg position tell you the diagnosis before the X-ray does.