15 results
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Pathophysiology ... #Hyponatremia #Algorithm ... #Pathophysiology ... #Differential #Nephrology ... #UOsm #Osmolality
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Check plasma osmolality ... NORMAL PLASMA OSMOLALITY ... DECREASED PLASMA OSMOLALITY ... Diagnosis #Workup #Algorithm ... #Nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Differential Diagnosis Algorithm ... retention 1) Serum Osmolarity ... 2) Urine Osmolarity ... Differential #Diagnosis #Algorithm ... #nephrology #sodium
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Differential Diagnosis Algorithm ... 24 hours Urine osmolality ... /18 HIGH urine osmolality ... Differential #Diagnosis #Algorithm ... #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Differential Diagnosis Algorithm ... /L High Urine Osmolality ... glucosuria Low Urine Osmolality ... Hypernatremia #Nephrology ... Differential #Diagnosis #Algorithm
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Differential Diagnosis Algorithm ... Diuresis Urine Osmolality ... > Serum Osmolality ... #Polyuria #Nephrology ... Differential #Diagnosis #Algorithm
Pathophysiology of hypotonic hyponatremia

by Helbert Rondon, MD @NephroMD

#hypotonic #hyponatremia #nephrology #algorithm #Pathophysiology
Pathophysiology ... #hyponatremia #nephrology ... #algorithm #Pathophysiology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... staining): • Low Complement ... Idiopathic • Normal Complement ... differential #diagnosis #algorithm
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... 1) Check Urine Osmolality ... Diagnosis #Workup #Algorithm ... #nephrology #sodium
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Insipidus - Diagnosis Algorithm ... Tests: • Osmolality ... Urine AND/OR • Osmolality ... Insipidus #Diagnosis #Algorithm ... #nephrology #differential