98 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... toxo IgG • CNS PCR ... Syphilis • Pyogenic Abscess ... #causes #radiology ... #neurology
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
- Differential Diagnosis ... • Infection: ... tuberculosis, Abscess ... Lemierre's syndrome ... #Differential #Diagnosis
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Causes of Acute ... - Differential Diagnosis ... Abscess: • Head ... Neuroleptic malignant syndrome ... • Sickle Cell disease
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... vasoconstriction syndrome ... brain injury • Infectious ... Encephalitis, Brain Abscess ... #neurology
Demyelinating Diseases - Differential Diagnosis
 • Inflammatory: MS, ADEM, NMO, Paraneoplastic, Sjogren's, Polyarteritis nodosa, SLE
 •
Demyelinating Diseases ... - Differential Diagnosis ... nodosa, SLE • Infectious ... Neurosyphilis, PML ... #causes #neurology
Hantavirus
Pathogen: Hantavirus - Rodents are the primary reservoir
Transmission:
 • Shed in the urine, feces, saliva of
common route of infection ... Cardiopulmonary Syndrome ... +/- diarrhea Diagnosis ... #management #treatment ... #microbiology #
Reversible Neurocognitive Disorders (Reversible Causes of "Dementia")
 • Structural/Mass: Subdural Hematoma, NPH, Intracranial tumor
 • Infection:
Disorders (Reversible Causes ... Intracranial tumor • Infection ... Encephalitis, Abscess ... #differential #diagnosis ... #causes #neurology
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
- Differential Diagnosis ... • Abscess, bacteremia ... Causes: • Still's ... Leptospirosis Pel-Ebstein ... #Differential #Diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... and Management ... polymicrobial infection ... • Most common cause ... of PCN allergy
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... - Differential Diagnosis ... Urinothorax Exudate - Infectious ... • Subphrenic abscess ... Gastrointestinal disease