48 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Osmolarity 2) Urine ... Uric Acid - Low ... Uric Acid → SIADH ... #nephrology #sodium ... #low #uricacid
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis Algorithm ... Inappropriate - Consider: SIADH ... Primary polydipsia, Low ... #differential #algorithm ... #causes #nephrology
Algorithm for Management of SIADH with Fluid Restriction and Urea

by Helbert Rondon, MD @NephroMD

#SIADH #Management #algorithm
Algorithm for Management ... of SIADH with Fluid ... @NephroMD #SIADH ... #treatment #urea ... #nephrology
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
Glitter Cells on Urine Microscopy
Glitter cells in the urine are viable and pale staining WBCs with
Glitter Cells on Urine ... Microscopy Glitter ... depends on the low ... #Microscopy #clinical ... #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... > 30): SIADH, Medications ... Primary polydipsia, Low ... #Hyponatremia #Algorithm ... diagnosis #sodium #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Urine Na+K / serum ... restriction alone in SIADH ... can be high or low ... table #sodium #nephrology
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... sodium low, uric ... and uric acid low ... #Differential #Algorithm ... #Diagnosis #Nephrology
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Diagnostic Evaluation Algorithm ... Check Uosm and/or Urine ... status and measure UNa ... tests Step 5: If SIADH ... Workup #Evaluation #Algorithm
Granular & “Muddy Brown” Casts on Urine Microscopy
A. Finely granular cast B. slightly coarser granular cast
Brown” Casts on Urine ... Microscopy A. ... appreciated at low ... #Microscopy #Clinical ... #Nephrology #Sediment