79 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... splenomegaly Other infections ... Infectious: ... #Brain #differential ... diagnosis #causes #radiology
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
CNS Ring-Enhancing ... Lesions - Differential ... Diagnosis • Infections ... #Differential # ... Diagnosis #neurology #radiology
CNS Ring-Enhancing Lesions - Differential Diagnosis Framework

Ring Completeness
 • Incomplete: Demyelinating Disease
 • Complete (MAGIC):
CNS Ring-Enhancing ... Lesions - Differential ... Glioblastoma - Infection ... valeroldan23 #CNS ... #Differential #
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV / AIDS - Differential ... Imaging: - MRI ... parietal - Size lesions ... #Infections #differential
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... pulmonary etc) • CNS ... Space occupying lesions ... EMG) studies • MRI ... #Weakness #Differential
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Pregnancy • CNS ... infection Diagnosis ... Infection) • ... MRI / CT if focal ... Monocytogenes #diagnosis #management
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Bradycardia • Infectious ... fever • Non-Infectious ... Beta-blockers, CNS ... lesions, Lymphomas ... #bradycardia #differential
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Pregnancy • CNS ... infection Diagnosis ... Infection) • ... MRI / CT if focal ... Monocytogenes #diagnosis #management
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Infectious: Legionella ... spotted fever, Non-infectious ... : ß-blockers, CNS ... lesions, Lymphomas ... bradycardia #Causes #differential
Evolution of MRI Findings in Stroke

MR images at five subsequent time points in a 67-year-old woman
Evolution of MRI ... Findings in Stroke MR ... it possible to differentiate ... #Evolution #MRI ... CVA #Clinical #Radiology