37 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... histoplasmosis, cryptococcus ... RingEnhancing #Lesions #Brain ... differential #diagnosis #causes
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... antibiotics as a cause ... negative culture Brain ... : Aspergillus, Cryptococcus ... Coccidiomycosis, Cryptococcus
Trypanosoma cruzi Reactivation in the Brain- ...Magnetic resonance images of the brain showed a mass measuring
Reactivation in the Brain ... images of the brain ... examination of a brain ... kinetoplasts (masses ... #MRI #radiology
Common MRI Sequences - Basic MRI Brain Interpretation

 • T1 Sequence - T1 is for anatomy.
Common MRI Sequences ... - Basic MRI Brain ... barrier- but masses ... give contrast, masses ... teachplaygrub #MRI
Typical features of meningitis vs. Encephalitis 

Meningitis is inflammation of the subarachnoid space, the fluid bathing
fluid bathing the brain ... Most common causes ... inflammation of the brain ... Most common causes ... Comparison #Features #Table
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
a NCCT or • MRI ... brain w/o contrast ... Evaluate underlying cause ... Detected on NCCT vs MRI ... Ruled out other causes
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
heart valves • MRI ... brain for cerebral ... in up to 30% of cases ... often seen • MRI ... Marantic #diagnosis #table
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Carotid U/S, EEG, Brain ... MRI, Cardiac stress ... Effectiveness #table
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... Testing Common causes ... Doppler ultrasound; MRA ... CT or MRI scan of ... Screening #Workup #table
Gerstmann Syndrome
1) Finger agnosia - Inability to name their own fingers, affecting both sides
2) Right-left confusion
patient is still able ... to copy Causes ... : Stroke (main cause ... ), Traumatic Brain