137 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... Check plasma osmolality ... NORMAL PLASMA OSMOLALITY ... mmol/L - true hyponatremia ... renal failure #Hypernatremia
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Based Approach to Hyponatremia ... #Hyponatremia #Algorithm ... Nephrology #UOsm #Osmolality
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Diagnosis Algorithm Hypernatremia ... /L High Urine Osmolality ... glucosuria Low Urine Osmolality ... Hyperventilation #Hypernatremia
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 ... @kidney_boy #Hyponatremia ... #differential #hyponatremia
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 ... Rachel Stern MD #Hyponatremia
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - ... 1) Check Urine Osmolality ... Extrarenal Hypernatremia ... Ingestion Renal Hypernatremia ... MatthewHoMD #Hypernatremia
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 ... #Diagnosis #Hyponatremia
Algorithm for the diagnosis of hyponatremia.

If you start with the osmolalities, urinary sodium etc first and
the diagnosis of hyponatremia ... #Diagnosis #Hyponatremia ... Differential #Algorithm #Osmolality
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
Hyponatremia (<135 ... Measuring the serum osmolality ... urea causes the hyponatremia ... True hyponatremia ... #hyponatremia #ADH
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 ... Treatment of hyponatremia