18 results
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 ... Weight loss - DDX ... Brucellosis - Viruses: HIV ... #diagnosis #msk
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
., HIV), EBV infection ... • Clinical features ... - Pel-Ebstein fever ... : Pain in involved ... #hematology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
- Arthritis Differential ... • Rheumatic fever ... Parvovirus B19 • HIV ... #Differential # ... Diagnosis #MSK #
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... : • Infection: ... Herpes zoster - HIV ... /swelling - Fever ... lower #extremity #msk
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Clinical Presentation ... Mycoplasma, EBV, HIV ... younger pts) Differential ... Symptoms: High fevers ... chills, flank pain
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint Pain ... acute rheumatic fever ... - parvovirus, HIV ... #Joint #Pain #MSK ... approach #workup #differential
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
early localized disease ... (HSV + Mycoplasma ... Erythemas #comparison #table ... #differential # ... diagnosis #dermatology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Lung Abscess - Clinical ... : • 80% have fever ... Pleuritic chest pain ... Intervention: - Fevers
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Advanced HIV (CD4 ... diarrhea, abdominal pain ... : Clinical Manifestations ... : • Clinical ( ... #differential #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... Coronary arteries - Fever ... to exclude are infections ... Vasculitis: • Fevers ... CTD) • ANCA (Dx