11 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 →
Salt Wasting vs SIADH ... - Pathophysiology ... → Increased urine ... #Pathophysiology ... #diagnosis #nephrology
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Check Uosm and/or Urine ... status and measure UNa ... tests Step 5: If SIADH ... Hyponatremia #Diagnosis #Workup
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
volume-based algorithm Urine ... restriction alone in SIADH ... or Ineffective (UNa ... Present (Uosm ≥100): SIADH ... table #sodium #nephrology
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
SIADH Treatment ... 0.9% NS • If Urine ... osmolality < 538 AND UNa ... Hypotension, Increased urine ... #hyponatremia #nephrology
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... Saline: • If Urine ... osmolality < 538 AND UNa ... SatyaPatelMD #SIADH ... #hyponatremia #nephrology
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
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
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
Pseudohyponatremia, SIADH ... intoxication Initial Workup ... : Serum Osm, Urine ... Serum Sodium, Urine ... diagnosis #management #nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
reabsorption) Workup ... lysis) ± Urine ... Lytes: UNa < 20 ... Treatment #potassium #nephrology