8 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... Articular - Acute ... Onset • Fungal ... Infectious #JointPain #MSK
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
: • Acute or chronic ... to bacterial, fungal ... #Pain #MSK #rheumatology ... #approach #workup ... #differential #
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... rheumatic fever • Chronic ... #Joint #Pain #MSK ... rheumatology #approach #workup ... #differential #
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis ... Differential Diagnosis ... tuberculosis) • Fungi ... Joint #pain #Differential ... #Diagnosis #MSK
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pain - Differential ... Diagnosis Algorithm ... Rheumatic Fever Acute ... Inflammatory #JointPain #MSK ... #Differential #
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 ... Alphavirus - Fungi ... Reactive Syndrome - Acute ... #diagnosis #msk
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Classification: • Acute ... permanent alopecia Differential ... : • Joint pain ... arthropathy • 90% joints ... with Lupus: • Chronic
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
presents with acute ... muscle aches, joint ... pain, chest pain ... Inhalation of spores ... Meningitis, septic arthritis