9 results
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... • UOsm > 300 - ADH ... Stress, Nausea, Pulmonary ... , SSRIs) - SIADH ... #Differential #
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... • Drugs • Pulmonary ... GFR, AKI/CRF Hormonal ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... • Drugs • Pulmonary ... GFR, AKI/CRF Hormonal ... #Nephrology #Differential
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... Inappropriate ADH ... secretion (SIADH ... hemorrhage) - Pulmonary ... #Differential #
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Diagnosis Algorithm ADH ... ADH Dependent: ... insufficiency, SIADH ... #Differential #
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Utilizing Uric Acid ADH ... Low Uric Acid → SIADH ... Rachel Stern MD #Hyponatremia ... #Differential #
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Approach to Hypotonic Hyponatremia ... case of hypotonic hyponatremia ... restriction alone in SIADH ... Present (Uosm ≥100): SIADH ... #differential #
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
Hyponatremia (<135 ... osmolality helps to differentiate ... anti-diuretic hormone ... #hyponatremia #ADH ... EBV #potomania #SIADH
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
• Symptomatic hyponatremia ... thirst center • ADH ... with suppressed ADH ... diabetes insipidus Differential ... Pseudohyponatremia, SIADH