102 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - ... Differential Diagnosis Workup ... Algorithm 1) Check Urine ... Differential #Diagnosis #Workup ... Algorithm #nephrology #sodium
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
• Symptomatic hyponatremia ... with symptomatic hyponatremia ... intoxication Initial Workup ... Osm, Serum Sodium ... , Urine Sodium
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... and Treatment Hyponatremia ... 3 questions to work ... Measure urine osmolality ... management #nephrology #sodium
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
examination, check urine ... sodium and serum ... uric acid: - Urine ... sodium low, uric ... - Urine sodium
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Osmolarity 2) Urine ... Osmolarity 3) Urine ... Sodium 4) Serum ... Algorithm #nephrology #sodium
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... and Workup Step ... Repeat the sodium ... mmol/L - true hyponatremia ... #Diagnosis #Workup
Hyponatremia Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Hyponatremia Differential ... Serum Osm • Urine ... MatthewHoMD #Hyponatremia ... Table #nephrology #sodium
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... uric acid >4 • Urine ... uric acid >4 • Urine ... SatyaPatelMD #Volume #Hyponatremia ... algorithm #diagnosis #sodium
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diabetes Insipidus Workup ... DrEricStrong #Hypernatremia ... Management #Algorithm #Sodium
Hypernatremia - Diagnostic Evaluation Algorithm
Step 1: Consider history. Most patients presenting with hypernatremia are either very
Hypernatremia - ... presenting with hypernatremia ... DrEricStrong #Hypernatremia ... #Diagnosis #Workup ... Evaluation #Algorithm #Sodium