19 results
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Cerebral Salt Wasting ... vs SIADH - Pathophysiology ... Neurological event 2) Sodium ... → Increased urine ... #diagnosis #nephrology
General approach to AKI - Checklist

Urine electrolytes & FENa - Previously, it was believed that urine
General approach to AKI ... sodium excretion ... fractional excretion of sodium ... @PulmCrit #AKI ... AcuteKidneyInjury #Nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
volume-based algorithm Urine ... : SIADH, Renal Sodium ... Insufficiency, Cerebral ... diagnosis #table #sodium ... #nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI ... Workup Algorithm ... osmolarity If cause of AKI ... Kidney #Injury #AKI ... #Workup #Algorithm
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Sodium Theophilus ... Kidney Injury (AKI ... sodium < 20 mEq ... sodium > 40 mEq ... #UNa #casts #glucosuria
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
uric acid >4 • Urine ... Renal losses, Cerebral ... uric acid >4 • Urine ... algorithm #diagnosis #sodium ... #low #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
- RAAS ON (UNa ... - RAAS OFF (UNa ... Reset osmostat, Cerebral ... Algorithm #diagnosis #sodium ... #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
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Kidney Injury (AKI ... PROBLEM ~80% of AKI ... IMPROVEMENT If the urine ... LorinskyMD #AKI ... KidneyInjury #simplified #workup
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
serum osmolality, urine ... and urine osmolality ... consequence of cerebral ... Measured urine sodium ... concentration (UNa