25 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... Infectious: ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
Lesions - Differential ... DiagnosisInfections ... #Differential # ... Diagnosis #neurology ... #radiology
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
: ß-blockers, CNS ... lesions, Lymphomas ... bradycardia #Causes #differential ... #diagnosis #infectiousdiseases ... #table #NonInfectious
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver ... , Metastasis #Liver ... #differential # ... diagnosis #comparison ... #table #appearance
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV / AIDS - Differential ... Diagnosis Framework ... Imaging: - MRI ... #Infections #differential
Liver infections and imaging findings
 - Pyogenic Liver Abscess
 - Amebic Abscess
 - Cholangitic Microabscesses
Liver infections ... findings - Pyogenic Liver ... solid nodular liver ... lesions: Hepatic ... #Differential #
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Appearance of Liver ... , Metastasis #Liver ... #differential # ... diagnosis #comparison ... #table #appearance
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Diagnosis Framework ... EMG) studies • MRI ... #Weakness #Differential ... #Diagnosis #neurology
Appearance of Liver Lesions on Magnetic Resonance Imaging (MRI) - T2, T1 precontrast, T1 portal venous,
Appearance of Liver ... , Metastasis #Liver ... #radiology #differential ... #diagnosis #comparison ... #table #appearance
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Diagnosis Algorithm ... and signs (e.g., fever ... Space-occupying brain lesion ... • CNS infection ... #neurology #PHANTOMS