22 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... Pain • Viral ... rash) • Primary HIV ... #Orthopedics #Causes
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Pain Eyes ... Bacterial or viral infection ... Wilson's disease Pulmonary ... Cardiomyopathies - Viral infection ... #pain #differential
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... acute rheumatic fever ... - parvovirus, HIV ... #Joint #Pain #MSK ... approach #workup #differential
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Fever/Chills/Joint ... pain/Night sweats ... Weight loss - DDX ... Brucellosis - Viruses: HIV
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pain - Differential ... Genitourinary Infection ... • Rheumatic Fever ... • Rheumatic Fever ... #Orthopedics #Causes
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis ... Differential Diagnosis ... weeks) Can Be Caused ... Parvovirus B19 • HIV ... Joint #pain #Differential
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Causes of Leg Pain ... • Infection: Cellulitis ... Herpes zoster - HIV ... - Fever/chills
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
) - Differential ... Temporomandibular joint ... , weight loss, fever ... Cervical spine arthritis ... To Narrow Down Ddx
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... common sites: hip ... • XR, MRI to dx ... Osteomyelitis / Septic Arthritis ... • Differentiate
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... vesicular eruption • Joints ... tract, and often causes ... Palpable purpura, joint ... drug exposure or Dx