13 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 ... - Syphilis - Tuberculosis ... Alphavirus - Fungi
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
), EBV infection ... - Pel-Ebstein fever ... Alcohol-induced pain ... : Pain in involved ... Solid Tumors • Tuberculosis
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Active TB: • HIV ... disease • DM DDX ... (NTM) • Fungal ... characteristic features Clinical ... Active TB: • Fever
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
- Arthritis Differential ... • Rheumatic fever ... Parvovirus B19 • HIV ... (tuberculosis) ... #Differential #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Pseudomonas FUNGAL ... Microsporidium #Lung #Infections ... #differential #
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Active TB: • HIV ... disease • DM DDX ... (NTM) • Fungal ... characteristic features Clinical ... Active TB: • Fever
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
infection (IFI) ... cut-offs defined in clinical ... surfaces - Infections ... BAL GM does not differentiate ... Galactomannan #diagnosis #comparison
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
or Haverhill fever ... associated with tuberculosis ... (HSV + Mycoplasma ... PrathitKulkarni #Erythemas #comparison ... #table #differential
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 ... Prevotella • Fungal
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Mycobacterium tuberculosis ... mucogenicum • HIV ... Advanced HIV (CD4 ... diarrhea, abdominal pain ... #differential #