9 results
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Pathophysiology ... #Pathophysiology ... #Diagnosis #Differential ... #Nephrology #UOsm ... #Osmolality
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Primary polydipsia, Low ... @NephroMD #hyponatremia ... #diagnosis #differential ... algorithm #causes #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... 2) Urine Osmolarity ... Uric Acid - Low ... #Differential # ... Diagnosis #Algorithm #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... 1) Check Urine Osmolality ... • Euvolemic (Low ... #Differential # ... Workup #Algorithm #nephrology
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... > 300 mosm/kg ... nutrition), Azotemia LOW ... Polydipsia #Polyuria #Differential ... Diagnosis #Algorithm #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Approach to Hypotonic Hyponatremia ... can be high or low ... Primary polydipsia), Low ... #differential # ... table #sodium #nephrology
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
helps to differentiate ... If Posm >285 mOsm ... stimulated in states of low ... (Uosm). ... activated in states of low
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential ... /L High Urine Osmolality ... mannitol, glucosuria Low ... Urine Osmolality ... #Nephrology #Differential
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
tubule (DCT) Clinical ... alkalosis • Normal or low ... ratio 0.5%) Differential ... Syndrome #diagnosis #nephrology ... #management #pathophysiology