301 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... Repeat the sodium ... Check plasma osmolality ... mmol/L - true hyponatremia ... renal failure #Hypernatremia
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... retention 1) Serum Osmolarity ... 2) Urine Osmolarity ... 3) Urine Sodium ... Algorithm #nephrology #sodium
Hyponatremia Diagnostic Algorithm
1) Check serum osmolality
2) Check urine osmolality
3) ADH Dependent - Check volume status, urine
Hyponatremia Diagnostic ... 1) Check serum osmolality ... 2) Check urine osmolality ... status, urine sodium ... @kidney_boy #Hyponatremia
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Diagnosis Algorithm Hypernatremia ... water loss, Serum Sodium ... /L High Urine Osmolality ... glucosuria Low Urine Osmolality
Algorithm for the diagnosis of hyponatremia.

If you start with the osmolalities, urinary sodium etc first and
the diagnosis of hyponatremia ... osmolalities, urinary sodium ... #Diagnosis #Hyponatremia ... Differential #Algorithm #Osmolality
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
Hyponatremia (<135 ... the total body sodium ... urea causes the hyponatremia ... True hyponatremia ... #hyponatremia #ADH
A lazy man's classification of hyponatremia
There are two possible approaches to the diagnosis of hyponatremia: .
classification of hyponatremia ... the diagnosis of hyponatremia ... same tests (serum osmolality ... , urine osmolality ... and urinary sodium
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - ... 1) Check Urine Osmolality ... Extrarenal Hypernatremia ... MatthewHoMD #Hypernatremia ... Algorithm #nephrology #sodium
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... and Treatment Hyponatremia ... Calculate serum osmolality ... Measure urine osmolality ... management #nephrology #sodium
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
promoting passive sodium ... Saline: • If Urine osmolality ... SIADH #Management #hyponatremia