7 results
General approach to AKI - Checklist

Urine electrolytes & FENa - Previously, it was believed that urine
General approach to AKI ... - Checklist ... sodium excretion ... @PulmCrit #AKI ... #Nephrology #CriticalCare
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Salt Wasting vs SIADH ... - Pathophysiology ... Neurological event 2) Sodium ... → Increased urine ... #diagnosis #nephrology
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 ... Present (Uosm ≥100): SIADH ... , Renal Sodium loss ... #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
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... promoting passive sodium ... Saline: • If Urine ... osmolality < 538 AND UNa ... #hyponatremia #nephrology
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
Pseudohyponatremia, SIADH ... intoxication Initial Workup ... Osm, Serum Sodium ... , Urine Sodium ... diagnosis #management #nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

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