• Subcutaneous infection 
  • Abscess is a Infectious pocket of pus; commonly Staph. Aureus (dead cells, exudate, bacteria) surrounded by granulation tissue; any organism can cause it (Staph. Aureus is common)
  • Demographic data: no specific age, Hygiene
  • Symptoms: throbbing pain worsening and awake the patient from night, patient notice red area of thickening then turn to be hard mass, +/- discharges, follow progression; ? duration; fast
  • PMH: Diabetes; usually develop abscess in back, carbuncles

Four classic sign (swelling, redness, heat, pain) - site, Shape, Size, Surface, Color, Tempertaure, Tenderness, Edge, Consistency, Relations, Surrounding tissue, Lymph node assessment