246 results
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... water loss, Serum Sodium ... 145 mmol/L High Urine ... glucosuria Low Urine ... Diagnosis #Algorithm #Causes
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
Hyponatremia (<135 ... and urine osmolality ... among the possible causes ... in blood urea causes ... Measured urine sodium
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
is usually caused ... vast majority of cases ... Measure urine osmolality ... the underlying cause ... management #nephrology #sodium
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Treat underlying cause ... : • Causes can ... promoting passive sodium ... Saline: • If Urine ... SIADH #Management #hyponatremia
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
Treat underlying cause ... administered • This can cause ... promoting passive sodium ... 0.9% NS • If Urine ... SIADH #Management #hyponatremia
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
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
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
and Features of Hyponatremia ... Hypervolemic hypernatremia ... Normovolemic hyponatremia ... Diarrhea #Hyponatremia ... Diagnosis #Table #Causes