145 results
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
Hyponatremia (<135 ... electrolyte abnormality caused ... body water in comparison ... among the possible causes ... the hyponatremia
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
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 ... Diagnosis #Algorithm #Causes
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
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
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
is usually caused ... vast majority of cases ... Calculate serum osmolality ... Measure urine osmolality ... the underlying cause
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
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
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
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