2338 results
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 ... #Hyponatremia #Differential
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Algorithm Tests: • Osmolality ... Urine AND/OR • Osmolality ... Plasma AND • Sodium ... vasopressin + Osmolality ... Algorithm #nephrology #differential
Hyponatremia Diagnostic Algorithm
1) Check serum osmolality
2) Check urine osmolality
3) ADH Dependent - Check volume status, urine
1) Check serum osmolality ... 2) Check urine osmolality ... status, urine sodium ... Diagnosis #Algorithm #differential
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... water loss, Serum Sodium ... /L High Urine Osmolality ... glucosuria Low Urine Osmolality ... Hypernatremia #Nephrology #Differential
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
the total body sodium ... , urine sodium concentration ... helps to differentiate ... there is reduced sodium ... Measured urine sodium
Algorithm for the diagnosis of hyponatremia.

If you start with the osmolalities, urinary sodium etc first and
osmolalities, urinary sodium ... #Hyponatremia #Differential ... #Algorithm #Osmolality
A lazy man's classification of hyponatremia
There are two possible approaches to the diagnosis of hyponatremia: .
same tests (serum osmolality ... , urine osmolality ... and urinary sodium ... Hyponatremia #Algorithm #Differential
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... 1) Check Urine Osmolality ... Hypernatremia #Differential ... Algorithm #nephrology #sodium
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
approach to the differential ... Calculate serum osmolality ... Measure urine osmolality ... #Hyponatremia #Differential ... management #nephrology #sodium
Fluids, Electrolytes, Acid-Base
)
General Concepts
>
< Osmolality vs osmolarity
★
Osmolality
[H 20)
Milliosmoles per kg of water. The osmolality is the
Concepts > < Osmolality ... vs osmolarity ... ★ Osmolality [ ... The osmolality is ... Osmolarity (mOsm