233 results
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint Pain ... • Ischemic optic ... Vasculitis (e.g., PAN ... conditions #joint #pain ... differential #diagnosis #rheumatology
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint Pain ... Polyarticular Join Pain ... Myalgia • Viral Arthritis ... Fasciitis • Septic ... #Orthopedics #Causes
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Osteomyelitis / Septic ... Arthritis: • ... differential #diagnosis #causes ... #hematology
Septic Arthritis - Pathogens and Clinical Clues

Staphylococcus aureus 
Streptococcal spp. 
Neisseria gonorrhoeae 
Aerobic/Anaerobic 
Gram-negative bacteria 
Brucellosis
Septic Arthritis ... Pathogens and Clinical Clues ... Mycoplasma hominis #Septic ... #Arthritis #Pathogens
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
GCA), Takayasu's arteritis ... Polyarteritis Nodosa (PAN ... (SPA) • Other Causes ... Mycobacterial Causes ... Differential #Diagnosis #rheumatology
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
Septic Arthritis ... hot, swollen, pain ... beneficial in septic ... nongonococcal septic ... unable to rule out septic
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Bone/Joint Causes ... • Fracture • Arthritis ... syndrome • Arthritis ... Poikilothermia • Septic ... arthritis - Rapid
Septic Arthritis: Pathogenesis and clinical findings
Notes:
- Septic Arthritis is typically monoarticular & the knee is involved
Septic Arthritis ... findings Notes: - Septic ... Arthritis is typically ... involved in >50% of cases ... S.A. can also be caused
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
• Infection/Sepsis ... Non-infectious (malignancy, rheumatologic ... Differential #Diagnosis #causes ... #Platelets #hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... • Gonococcal arthritis ... • Psoriatic arthritis ... dermatology #joint #pain ... differential #diagnosis #rheumatology