13 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... WBCs, or urine ... • Evidence of glomerular ... Diagnosis #Algorithm #Workup ... #urine
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Wasting vs SIADH - Pathophysiology ... Neurological event 2) Sodium ... → Increased urine ... SaltWasting #SIADH #Pathophysiology ... #diagnosis #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) Check Urine ... Differential #Diagnosis #Workup ... #Algorithm #nephrology ... #sodium
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
evaluated for glomerular ... disease 24-hour urine ... Serum or urine for ... #testing #workup ... nephrotic #nephritic #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
volume-based algorithm Urine ... or Ineffective (UNa ... : SIADH, Renal Sodium ... diagnosis #table #sodium ... #nephrology
Recommended initial testing for patients being evaluated for glomerular disease
1) 24-hour urine collection - Quantify proteinuria.
evaluated for glomerular ... disease 1) 24-hour urine ... Serum or urine for ... #workup #diagnosis ... initial #testing #nephrology
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
promoting passive sodium ... Saline: • If Urine ... osmolality < 538 AND UNa ... #hyponatremia #nephrology
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
promoting passive sodium ... 0.9% NS • If Urine ... osmolality < 538 AND UNa ... Hypotension, Increased urine ... #hyponatremia #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
3 questions to work ... Measure urine osmolality ... Treatment #management #nephrology ... #sodium
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
intoxication Initial Workup ... : Serum Osm, Urine ... Osm, Serum Sodium ... , Urine Sodium ... diagnosis #management #nephrology