19 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... toxo IgG • CNS PCR ... Infectious: ... #Brain #differential ... #diagnosis #causes
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... enhancement on CT ... Demyelinating disease caused ... #differential # ... opportunistic #InfectiousDiseases
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Infectious: Legionella ... ß-blockers, CNS lesions ... #differential # ... diagnosis #infectiousdiseases
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
according to CT-scan ... immunofluorescence, PCR ... virus NODULAR LESIONS ... ComputedTomography #Differential ... #Diagnosis #Chest
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
but important causes ... BCNIE Diagnostic ... #Endocarditis #diagnosis ... #differential # ... workup #infectiousdiseases
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Haverhill fever caused ... classic targetoid lesions ... PrathitKulkarni #Erythemas #comparison ... #table #differential ... #diagnosis #dermatology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... seen • Chest CT ... of PCN allergy ... stable residual lesion
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Diagnosis Framework ... • CT: Halo sign ... #diagnosis #infectiousdiseases
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Nodular or cavitary lesions ... Imaging, high res CT ... #differential # ... diagnosis #infectiousdiseases
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
leukoencephalopathy (PML ... unintentional weight loss, nausea ... Leishmaniasis Differential ... Diagnosis: • ... Inflammatory #Syndrome #Differential