40 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Differential Diagnosis Algorithm ... Uric Acid - Low ... Uric Acid → SIADH ... #nephrology #sodium ... #low #uricacid
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Differential Diagnosis Algorithm ... , SSRIs) - SIADH ... always exclude: CKD ... Differential #Diagnosis #Algorithm ... diagnosis #nephrology #sodium
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... acid: - Urine sodium ... low, uric acid ... and uric acid low ... #Differential #Algorithm
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... OFF (UNa > 30): SIADH ... Primary polydipsia, Low ... #Hyponatremia #Algorithm ... #diagnosis #sodium
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
uric acid <4 • SIADH ... Hypothyroidism, Low ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... restriction alone in SIADH ... Present (Uosm ≥100): SIADH ... , Renal Sodium loss ... can be high or low
Causes of Generalized Edema - Differential Diagnosis Algorithm
Overfill (Increased renal sodium retention, Urine Na > 40meq/L)
Differential Diagnosis Algorithm ... Increased renal sodium ... NSAlDs • AKI/CKD ... Differential #Diagnosis #Algorithm
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis Algorithm ... Inappropriate - Consider: SIADH ... Primary polydipsia, Low ... #differential #algorithm
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... overload Urea powder ... promoting passive sodium ... SatyaPatelMD #SIADH
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Differential Diagnosis Algorithm ... • Low Magnesium ... High Phosphate, Low ... D deficiency, CKD ... Differential #Diagnosis #Algorithm