8 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Differential Diagnosis Algorithm ... inflammation is secondary ... Erythematosus (SLE ... #Disorders #msk ... Differential #Diagnosis #Algorithm
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Dermatomyositis Erythema chronicum ... • Rheumatic fever ... Amyloidosis • Eosinophilic ... #dermatology #joint
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
acute rheumatic fever ... • Chronic - Think ... hepatitis, herpes • Chronic ... = RA, SLE, psoriatic ... #Joint #Pain #MSK
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
• Rheumatic fever ... tuberculosis) • Fungi, secondary ... • SLE • Psoriatic ... Symmetrical: • RA • SLE ... #Diagnosis #MSK
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint ... - SLE - Behcet ... Acute rheumatic fever ... Osteosarcoma - Eosinophils ... differential #diagnosis #msk
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Headaches, bone pain, fever ... , joint pain, bleeding ... • (Peripheral eosinophilia ... bone marrow and secondary ... Lymphadenopathy • HSM • Fevers
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases, such as SLE ... vesicular eruption • Joints ... Polyangiitis): • Eosinophilia ... , asthma, chronic ... Palpable purpura, joint
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
• EGPA: - Eosinophilia ... , asthma, chronic ... vesicular eruption - Joints ... Vasculitis: • Fevers ... vasculitis, and SLE