23 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... parvovirus B19 infection ... parvovirus B19 infection ... • Eosinophilic fasciitis ... #rashes #differential
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Pain - Differential ... Polyarticular Join Pain ... Myalgia • Viral Arthritis ... Lesions) • Fifth Disease ... • Necrotizing Fasciitis
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint Pain ... Bacterial or viral infection ... • Eosinophilic fasciitis ... conditions #joint #pain ... #differential #
Necrotizing Fasciitis: Note the extensive edema, erythema, bullae formation, and necrosis in this patient's thigh. At
Necrotizing Fasciitis ... failure) with severe pain ... at the site of infection ... Images #Clinical #Photo ... #Dermatology #SkinRash
Necrotizing Fasciitis: African-American patient with diabetes that predisposed him to rapidly 
progressive infection. Lower extremity is
Necrotizing Fasciitis ... of illness and pain ... Images #Clinical #Photo ... #Dermatology #Leg ... #SkinRash #Necrotizing
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Framework Non-Infectious ... Polyarteritis Nodosa (PAN ... rare), Idiopathic Infectious ... #Diagnosis #rheumatology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Fever/Chills/Joint pain ... Effusions: - Hematologic ... Osteochondroma Hematologic ... Effusions #causes #differential
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Symptoms of Joint Disease ... Calcium oxalate Infectious ... Acute or chronic infections ... #MSK #rheumatology ... approach #workup #differential
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Legg-Calve-Perthes disease ... : • Infection: ... Abscess, Necrotizing fasciitis ... #differential #
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
) - Differential ... Pharyngitis • Pharyngeal ... Cervical spine arthritis ... Cricoarytenoid arthritis ... disease processes