41 results
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: •
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... + MRI lesions + ... toxo IgG • CNS PCR ... #causes #radiology ... #neurology
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Handle Tear - MSK ... The "double PCL ... parallel to the PCL ... BucketHandle #Tear #knee #mri ... #diagnosis #msk
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
hemorrhage • CSF PCR ... Imaging: - MRI ... Toxoplasma gondii PCR ... • JC-virus PCR ... Enhancement • PCR
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
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
Non-inflammatory Causes ... and treatment can ... neuropathy (LHON) plus MRI ... consistent with MS ... #neurology #noninflammatory
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Miller Fischer and PCB ... myasthenia Diagnosis ... immunologic assay - MuSK ... Myasthenia #Gravis #diagnosis ... #management #neurology
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... - MSK Radiology ... Case description ... longus Differential diagnosis ... #diagnosis #msk
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
lumbar spine • MCC ... - Emergency Causes ... Imaging studies: • MRI ... axial T1 and T2 Treatment ... #causes #neurology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Inherited arrhythmia syndromes ... (e.g., long QT syndrome ... heart disease Causes ... more intensive treatment ... #cardiology