15 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... - DDX: - Infection ... Seronegative Reactive Syndrome ... - Synovium - Oral ... #diagnosis #msk
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Non-Hodgkin's Lymphoma - Comparison ... symptoms - Pel-Ebstein ... involvement Differential ... #NonHodgkins #comparison ... #hematology
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Diagnosis Algorithm Infection ... Legg-Calve-Perthes Disease Knee ... Patellofemoral Syndrome ... Deformity #Limp #MSK ... Diagnosis #Algorithm #Orthopedics
Ober's Test for TFL/ITB Inflammation

With the patient in the lateral position, affected side up.  The
In a normal test ... Test #Iliotibial #Band ... #Syndrome #ITBand ... physicalexam #sports #msk ... #orthopedics
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin Syndrome ... Mycoplasma, EBV, HIV ... younger pts) Differential ... Hemoglobinuria (PCH ... hemolytic #anemia #hematology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
arthritis ENT • Oral ... Heberden's nodes (DIP ... Bouchard's nodes (PIP ... #joint #pain #differential ... #diagnosis #rheumatology
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Differentiation Syndrome ... initiation • Differential ... Diagnosis: Infection ... 500 mg QD until normal ... fluid overload, PCC
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Pneumonia: • 3 syndromes ... Lung Exam: Can be normal ... of a "flu-like syndrome ... #differential #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... hip • Muscle strength ... & enzymes normal ... #Diagnosis #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
sedimentation rate + Normal ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... La, anti-Jo-1, SCL ... flares • CRP normal