20 results
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
Hypernatremia Classification ... - Cushing's syndrome ... Gestational DI, Nephrogenic ... Features #Diagnosis #Comparison ... #Table #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
insipidus (central or nephrogenic ... Hypervolemic: Conn syndrome ... , Cushing syndrome ... Workup #Algorithm #nephrology ... #sodium
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... insipidus • Nephrogenic ... administration #Hypernatremia ... Diagnosis #Causes #nephrology ... #sodium #high
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... Repeat the sodium ... mmol/L - true hyponatremia ... • nephrotic syndrome ... Workup #Algorithm #Nephrology
Cephalosporin Antibiotics
 • First Generation: Cefazolin, Cefadroxil, Cephalexin
 • Second Generation: Cefuroxime sodium, Cefuroxime axetil
 •
Generation: Cefuroxime sodium ... #Antibiotics #comparison ... #pharmacology # ... classification
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia ... Algorithm Hypertonic Hyponatremia ... Cirrhosis, Nephrotic syndrome ... Algorithm #diagnosis #sodium ... #nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Neurological event 2) Sodium ... Pathophysiology #diagnosis #nephrology ... #hyponatremia # ... comparison
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
cell epithelial sodium ... of epithelial sodium ... exchanger,H+-ATPase Nephrogenic ... -2 deficiency Nephrogenic ... Defects #Kidney #Nephrology
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Hypernatremia - ... Diabetes Insipidus: neurogenic ... , nephrogenic 4 ... Treatment #management #nephrology ... #sodium
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Kidney Injury - Classification ... a.k.a. cardiorenal syndrome ... a.k.a. hepatorenal syndrome ... obstruction) • Neurogenic ... #diagnosis #nephrology