knee pain

knee pain -CITRUS
color,bruises crackles on movement 
infection
trauma temperature of knee ,tick's bite, time 
redness, rash ,raynaud
Ulcer in mouth (photosensitivity,hair loss)
swelling, stiffness, std hx

PHYSICAL EXAMINATION for Knee Pain

• Mouth: Inspection (Look for ulcers to rule out SLE)
• Musculoskeletal exam: Inspection, Palpation, ROM of both knees. Examine other joints (Wrist, shoulder, elbow, hands, fingers, hip)
• Hair & Skin exam: Inspection
• Cardiovascular exam: Auscultation
• Pulmonary exam: Auscultation
• Abdominal exam: Inspection, Auscultation, Palpation, Percussion

DIFFERENTIAL DIAGNOSIS for Knee Pain 

• Gout
• Pseudogout
• Systemic lupus erythematosus(SLE)
• Rheumatoid arthritis
• Gonococcal arthritis
• Septic arthritis
• Osteoarthritis
• 

DIAGNOSTIC WORKUP for Knee Pain Mnemonic

• Pelvic examination
• Cervical culture
• Knee aspiration & Synovial fluid analysis
• XR of knees
• CBC
• ANA, Anti-dsDNA, Rheumatoid factor
• Blood culture