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
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
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... + MRI lesions + ... RingEnhancing #Lesions #Brain ... differential #diagnosis #causes ... #radiology #neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... Vascular narrowing on MRA ... parietal lobes of the brain ... the underlying cause ... with AEDs until cause
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
Nausea & vomiting ... amphotericin: Severe AKI ... of K+ & Mg in urine ... #Brain #clinical ... #radiology