Trichinellosis Trichinella

• Facts:
  Parasitic infection caused by the roundworm trichinella
  Acquired by eating undercooked pork that contains encysted Trichinella larvae
  Disease occurs in 3 phases
  
• History / PE:
  Larvae invade intestinal wall (phase 1)
  Abdominal pain, diarrhea, vomiting
  
  Larval migration (phase 2)
  Local and systemic hypersensitivity reaction
  Splinter hemorrhages , conjunctival/retinal hemorrhages, periorbital edema, and chemosis
  
  Larvae enter skeletal muscle (phase 3)
  Muscle pain, tenderness swelling, weakness
  Blood count usually shows eosinophilia
  
• Differential Diagnosis:
  Infective endocarditis