26 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Pain/Post-op • Neurologic ... • 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
Pain/Post-op • Neurologic ... • Reduced GFR, AKI ... Hypo-osmolar urine ... Uosm < 100 mmol/kg ... #Hyponatremia #Nephrology
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
RBC casts in urine ... but in severe cases ... may be in nephrotic ... May be 10 (eg direct ... #Proteinuria #Nephrology
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
BEE Syndromes - ... affecting the brain ... is important, as ... Inflammatory causes ... #Syndromes #neurology
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
BEE Syndromes - ... affecting the Brain ... is important, as ... neuropathy (LHON) plus MRI ... #Syndromes #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... + MRI lesions + ... lung nodules, may also ... RingEnhancing #Lesions #Brain ... #radiology #neurology
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
brain w/o contrast ... Evaluate underlying cause ... Cardioembolic: • ECG ... Ruled out other causes ... diagnosis #checklist #neurology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... volume-based algorithm Urine ... Cirrhosis, Nephrotic syndrome ... solute intake (Beer ... table #sodium #nephrology
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... suggestive of nephrotic sydnrome ... colored compounds (e.g ... #Urine #Microscopy ... #nephrology #interpretation
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
complications such as ... wasting from other causes ... A urine K/Cr ratio ... • Diarrhea A urine ... differential #potassium #nephrology