28 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... toxo IgG • CNS PCR ... Syphilis • Pyogenic Abscess ... #causes #radiology ... #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
Antimicrobial treatment ... Imaging: - MRI ... tuberculomas, or abscesses ... opportunistic #InfectiousDiseases ... #Neurology
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
• ABCs • IV access ... Evaluate underlying cause ... Ruled out other causes ... stroke #workup #diagnosis ... #checklist #neurology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... Then, ask 3 questions ... Assess volume status ... the underlying cause ... #nephrology #sodium
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... • Infection (abscess ... suspected, immediate MRI ... CaudaEquina #Syndrome #MSK ... pathophysiology #diagnosis
Mucoid Degeneration of the ACL
Imaging Findings:
 • T2-hyperintense fluid-signal within the enlarged ACL on both the
mucinous signal on MRI ... ligament will often be ... - Can cause ... knee #clinical #mri ... #msk
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
BEE Syndromes - ... Non-inflammatory Causes ... and treatment can ... neuropathy (LHON) plus MRI ... consistent with MS
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... Spinal infection/abscess ... Imaging studies: • MRI ... axial T1 and T2 Treatment ... #causes #neurology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... Antibiotics (Bactrim, PCN ... tourniquet / IVF line draw ... only if no clear cause ... #potassium #nephrology
Hydroxyapatite Deposition Disease (HADD) - MSK Radiology
Imaging Findings:
 • Ovoid hypointense structures along the bursal surface
Disease (HADD) - MSK ... Case description ... • Treatment for ... They may be needled ... #msk