21 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Differential Diagnosis Algorithm ... Inappropriate ADH ... Reduced GFR, AKI/CRF ... #Hyponatremia #Nephrology ... Differential #Diagnosis #Algorithm
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Differential Diagnosis Algorithm ... Inappropriate ADH ... Reduced GFR, AKI/CRF ... #Hyponatremia #Nephrology ... Differential #Diagnosis #Algorithm
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Differential Diagnosis Algorithm ... underlying cause (CHF ... • UOsm > 300 - ADH ... - Appropriate ADH ... #diagnosis #nephrology
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
resistance to ADH ... inappropriate ADH ... ) • CHF • Cirrhosis ... #differential #nephrology
Hyponatremia Treatment Algorithm

CHF, Cirrhosis - Fluid restriction
SIADH - Fluid restriction
 - Consider salt tablets if etiology
Hyponatremia Treatment Algorithm ... CHF, Cirrhosis ... status turns off ADH ... Hyponatremia #Treatment #Algorithm
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Differential Diagnosis Algorithm ... ADH Independent ... ADH Dependent: ... Differential #Diagnosis #Algorithm ... #causes #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... Hyponatremia: • ADH ... salt wasting • ADH ... #Hyponatremia #Algorithm ... diagnosis #sodium #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Differential Diagnosis Algorithm ... Utilizing Uric Acid ADH ... Differential #Diagnosis #Algorithm ... #nephrology #sodium
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Differential Diagnosis Algorithm ... anemia) • G-CSF ... Differential #Diagnosis #Algorithm ... #nephrology #low
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
HYPERVOLEMIC • CHF ... Diagnosis #Workup #Algorithm ... #Nephrology