13 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Workup Algorithm ... • Hypovolemic: Diuretics ... osmotic (solute) diuresis ... #Workup #Algorithm ... #nephrology #sodium
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Renal losses, Diuretic ... Ketonuria, Osmotic diuresis ... #Algorithm #Causes ... #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... mmol/L - true hyponatremia ... volume loss - diuretics ... #Diagnosis #Workup ... #Algorithm #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Algorithm Syndrome ... especially thiazide diuretics ... #Nephrology #Differential ... #Diagnosis #Algorithm
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Algorithm Volume ... Low Cl intake, Diuretics ... Cl-: Diuretics, ... #Algorithm #Nephrology ... #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Algorithm Syndrome ... especially thiazide diuretics ... #Nephrology #Differential ... #Diagnosis #Algorithm
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
• Metabolic alkalosis ... • Diagnosis of ... • Hyponatremia ... and euvolemic hyponatremia ... #Nephrology #Pharmacology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Approach to Hypotonic Hyponatremia ... of hypotonic hyponatremia ... Renal Sodium loss (diuretics ... (AKI, Post-AKI diuresis ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Algorithm Volume ... Low Cl intake, Diuretics ... Cl-: Diuretics, ... #Algorithm #Nephrology ... #Causes
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Hypernatremia - ... Hypernatremia is ... Osmotic Diuresis ... hypernatremia can ... #nephrology #sodium