7 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... • Reduced GFR, AKI ... Hypo-osmolar urine ... Uosm < 100 mmol/kg ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... • Reduced GFR, AKI ... Hypo-osmolar urine ... Uosm < 100 mmol/kg ... #Hyponatremia #Nephrology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... + MRI lesions + ... histoplasmosis, cryptococcus ... RingEnhancing #Lesions #Brain ... #causes #radiology
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 ... Non-inflammatory causes ... skull neoplasms (e.g ... neuropathy (LHON) plus MRI
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... parietal lobes of the brain ... the underlying cause ... with AEDs until cause ... #neurology
Hyponatremia Differential Diagnosis Algorithm in Cancer
UOsm ≥ 100 mOsm/kg = Urine is inappropriately concentrated for hypotonic
= Urine is inappropriately ... capillary leak syndrome ... and neck tumors, brain ... Cancer #algorithm #nephrology ... #oncology
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
Diagnosis? ... amphotericin: Severe AKI ... of K+ & Mg in urine ... #Brain #clinical ... #radiology