15 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... and Workup Step ... • nephrotic syndrome ... #Diagnosis #Workup ... #Algorithm #Nephrology
Effects of Strokes by Location - Anterior vs Posterior Localization

Anterior Circulation 
 - MCA 
 -
- Anterior vs Posterior ... Artery #Strokes #Syndromes ... #Neurology #Diagnosis ... #Table #Territories ... Review in Clinical Neurology
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
Hypernatremia Classification ... - Cushing's syndrome ... Hypodipsia - Renal ... #Comparison #Table ... #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential Diagnosis ... tubal acidosis ... #Differential #Diagnosis ... Algorithm #Causes #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Workup Algorithm ... mOsm/kg - Implies renal ... , Cushing syndrome ... #nephrology #sodium
Posterior Reversible Encephalopathy Syndrome (PRES) - Diagnosis
Clinical Features:
 • Altered mental status (Either lethargy, confusion, or
Posterior Reversible ... , visual field deficits ... Immunomodulatory meds ... inhibitors • Renal ... #Diagnosis #Neurology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
- Genetic defects ... #Differential #Diagnosis ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
Inherited Defects ... tubular acidosis ... #Kidney #Nephrology ... #Diagnosis #Differential ... #Table
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
- Differential Diagnosis ... Rhabdomyolysis, Tumor lysis syndrome ... Shift: • Lactic acidosis ... CKD Increased Renal ... #phosphate #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
≥100): SIADH, Renal ... Cirrhosis, Nephrotic syndrome ... #differential #diagnosis ... #table #sodium ... #nephrology