8 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... females Differential Diagnosis ... : • CN Ill Palsy ... dissociation • Other causes ... #PhysicalExam #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... - Compatible syndrome ... + MRI lesions + ... #causes #radiology ... #neurology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
D-lactate (short bowel syndrome ... acidosis: - CNS ... sedation, narcotics, CVA ... #Summary #Nephrology ... #ABG #bloodgas
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
and infects the CNS ... Diagnosis: MRI ... The clinical syndrome ... disturbance and tremors ... dementia #AIDS #Neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
(CES) is usually ... symptoms: • Severe low ... - Emergency Causes ... Imaging studies: • MRI ... #causes #neurology
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
Entering VA was ... the follow up video ... MRI was ordered ... the hospital, diagnosed ... ophthalmology #neurology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
(Assess GFR), ±VBG ... only if no clear cause ... Bicarb<22) - avoid NS ... acidosis) • Low ... Treatment #potassium #nephrology
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
acid, high LDH, low ... Ca - q8 h TLS ... Treat underlying cause ... interventional radiology ... Oncology #HemeOnc #Diagnosis