19 results
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
- Differential Diagnosis ... Ill paralysis (PCA ... Psilocybin mushrooms, PCP ... - Fixed: Brain ... Miosis: Horner's syndrome
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... + MRI lesions + ... toxo IgG • CNS PCR ... RingEnhancing #Lesions #Brain ... #causes #radiology
Hantavirus
Pathogen: Hantavirus - Rodents are the primary reservoir
Transmission:
 • Shed in the urine, feces, saliva of
Cardiopulmonary Syndrome ... +/- diarrhea Diagnosis ... • Hantavirus PCR ... • Autopsy PCR ... Treatment: •
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
Non-inflammatory Causes ... affecting the Brain ... and treatment can ... Non-inflammatory causes ... neuropathy (LHON) plus MRI
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
The "double PCL ... parallel to the PCL ... Case description ... BucketHandle #Tear #knee #mri ... #diagnosis #msk
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Inherited arrhythmia syndromes ... (e.g., long QT syndrome ... Differential Diagnosis ... more intensive treatment ... #cardiology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Myotonic dystrophy - Brain ... Miller Fischer and PCB ... myasthenia Diagnosis ... Myasthenia Crises ... Myasthenia #Gravis #diagnosis
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
Ligamentum flavum PC ... fractures: Don't cause ... Ligamentous complex (PLC ... Cauda equina Treatment ... #diagnosis #localization
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
, but MRI will show ... Diagnosis: MRI ... The clinical syndrome ... Treatment: • HAART ... treatment • Cognitive
Leigh Syndrome 
History: 19-month-old girl with hypotonia, developmental 
delay, failure to thrive, and bilateral optic disc
Leigh Syndrome ... patterns (this case ... #Clinical #MRI ... #Brain #Diagnosis ... #Radiology