7 results
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
present both at rest ... trauma (e.g., meniscal ... e.g., congenital hip ... osteopetrosis, avascular ... #differential #diagnosis
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... Seronegative Reactive Syndrome ... Ligamentous injuries - Meniscal ... #differential #diagnosis ... #msk #physicalexam
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
hydrocephalus, HIV ... ... laboratory tests ... Aphaso-apraxo-agnosia syndrome ... Frontal atrophy Vascular ... Differential #Subtypes #Classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Vascular Sludging ... HBV infection, HIV ... arthralgia, and arthritis ... Labs/Diagnosis: ... #types #classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... and bullous or vesicular ... retinopathy Lab Tests ... Cryoglobulins • HIV ... #rheumatology #classification
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
, inflammatory arthritis ... Skin Disease Classification ... Differential Diagnosis ... • Malar rash - spares ... Erythematosus #Diagnosis
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential Diagnosis ... Tests: • Measure ... weakness + atrophy- Hip ... • Nonerosive arthritis ... muscle disease/muscular