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

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
GI - Felty syndrome ... • Felty's syndrome ... Shrinking lung syndrome ... , Marfan syndrome ... differential #diagnosis #rheumatology
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Differential Diagnosis Algorithm ... • Rheumatic Fever ... Sicca) Syndrome ... Inflammatory #JointPain #MSK ... Differential #Diagnosis #Algorithm
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation Syndrome ... juvenile idiopathic arthritis ... juvenile idiopathic arthritis ... ALT ↑ bilirubin level ... #Rheumatology
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Differential Diagnosis Algorithm ... - (Reiter’s syndrome ... • Psoriatic arthritis ... Joint #Disorders #msk ... Differential #Diagnosis #Algorithm
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior Cord Syndrome ... injury, often from vascular ... function below injury level ... • Central Cord Syndrome ... signs #symptoms #msk
Diagnosis of Cryoglobulinemia Vasculitis

1) Presence of cryoglobulin 
Circulating immunoglobulins that precipitate with cold temperature and dissolve
CRYOGLOBULINEMIA (type l) : Vascular ... Hyperviscosity syndrome ... and Ill) • Vascular ... • Arthralgia, arthritis ... Vasculitis #Diagnosis #Rheumatology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint ... Osteoarthritis - Overuse syndrome ... Seronegative Reactive Syndrome ... differential #diagnosis #msk ... #physicalexam
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Kasabach-Merritt syndrome ... deficiency • Liver ... Gardner-Diamond syndrome ... mountain spotted fever ... #rheumatology #
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Differential Diagnosis Algorithm ... Renal Disease Vascular ... TeIangiectasia Vascular ... Iatrogenic) • Liver ... #Causes #Hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
• Rheumatic fever ... • Gonococcal arthritis ... Antiphospholipid-antibody syndrome ... • Psoriatic arthritis ... differential #diagnosis #rheumatology