12 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... pain/Night sweats ... Weight loss - DDX ... Brucellosis - Viruses: HIV
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 ... ), EBV infection ... - Pel-Ebstein fever ... Alcohol-induced pain ... : Pain in involved
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
known as rat bite fever ... or Haverhill fever ... (HSV + Mycoplasma ... PrathitKulkarni #Erythemas #comparison ... #table #differential
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... and clinical associations ... Infections 2. ... , abdominal pain ... #table
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... Lung Abscess - Clinical ... : • 80% have fever ... Pleuritic chest pain
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Statins - ETOH - Infection ... - Viral (HIV, Influenza ... Dermatomyositis Clinical ... Muscle swelling - Fever
Nontuberculous Mycobacteria (NTM) Infections 

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

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Coronary arteries - Fever ... to exclude are infections ... Vasculitis: • Fevers ... CTD) • ANCA (Dx
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis: • Fevers ... tract, and often causes ... involvement, abdominal pain ... drug exposure or Dx
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
negative with Crypto ... positives: IVIG, IV ... surfaces, Albumin, Infections ... Spec 81% for dx ... in BAL does not differentiate