2197 results
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... 24 hours Urine osmolality ... /18 HIGH urine osmolality ... Azotemia LOW urine osmolality ... Polydipsia #Polyuria #Differential
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Pathophysiology #Diagnosis #Differential ... Nephrology #UOsm #Osmolality
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 ... #Hyponatremia #Differential
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... /L High Urine Osmolality ... glucosuria Low Urine Osmolality ... Hypernatremia #Nephrology #Differential
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Algorithm Tests: • Osmolality ... Urine AND/OR • Osmolality ... deprivation test and Osmolality ... vasopressin + Osmolality ... Algorithm #nephrology #differential
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
of Polyuria - Differential ... Diuresis Urine Osmolality ... > Serum Osmolality ... Polyuria #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 ... Diagnosis #Algorithm #differential
Algorithm for the diagnosis of hyponatremia.

If you start with the osmolalities, urinary sodium etc first and
#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 ... Hyponatremia #Algorithm #Differential
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
Measuring the serum osmolality ... concentration and urine osmolality ... helps to differentiate ... fall in serum osmolality ... detect the plasma osmolality