9 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Diagnosis Framework ... Ligamentous injuries - Meniscal ... #diagnosis #msk ... #physicalexam
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 ... approach #workup #differential ... #diagnosis #arthritis
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework ... Herpes zoster - HIV ... #diagnosis #lower ... extremity #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 ... MNCD #Dementia #Differential ... #Subtypes #Classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... Diagnosis Framework ... retinopathy Lab Tests ... Cryoglobulins • HIV ... #classification
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Diagnosis Framework ... , Loose anagen syndrome ... disease • Pull test ... texture at bald spots
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Skin Disease Classification ... permanent alopecia Differential ... Diagnosis: • ANCA-associated ... • Malar rash - spares ... Erythematosus #Diagnosis
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... Diagnosis The ... tests before beginning ... - Compartment syndrome ... #typea #typeb #classification
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... Tests: • Measure ... weakness + atrophy- Hip ... • Nonerosive arthritis ... #rheumatology #differential