8 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Dermatomyositis Erythema chronicum ... Amyloidosis • Eosinophilic ... Sarcoidosis • GPA ... #joint #pain #skin ... #differential #diagnosis
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Vascular Joint Pain ... - Differential Diagnosis ... Algorithm - ... Embolism (e.g. fractured ... Vascular #JointPain #MSK
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
Chronic Joint Pain ... - Differential Diagnosis ... Algorithm Intra-Articular ... e.g„ Myofascial Pain ... Intraarticular #MSK
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
: - Eosinophilia ... , asthma, chronic ... > PR3 60% • GPA ... vesicular eruption - Joints ... #rheumatology #
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Pain Eyes ... Lyme disease, Vasculitis ... Amyloidosis • Eosinophilic ... #pain #differential ... #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... vesicular eruption • Joints ... , asthma, chronic ... Palpable purpura, joint ... #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 ... pain/Night sweats ... Intra-articulation fracture ... Osteosarcoma - Eosinophils ... #msk #physicalexam
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Entities That Can Feature ... Scleromyxedema (CNS+GI+CVS+joints ... Episodic angioedema+eosinophilia ... Paraproteinemias #Hematology ... #Differential #Diagnosis