27 results
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Salt Wasting vs SIADH ... - Pathophysiology ... → Increased urine ... #diagnosis #nephrology ... #hyponatremia #comparison
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic Syndrome ... hematuria (RBC casts ... dysmorphic RBCs in urine ... #Comparison #Algorithm ... #Nephrology #Diagnosis
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
ADH promotes Urea ... Osmolarity 2) Urine ... Osmolarity 3) Urine ... Low Uric Acid → SIADH ... #nephrology #sodium
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... volume overload Urea ... Saline: • If Urine ... SatyaPatelMD #SIADH ... #hyponatremia #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
uric acid >4 • Urine ... uric acid <4 • SIADH ... Cirrhosis, Nephrotic syndrome ... #Hyponatremia #algorithm ... #sodium #low #nephrology
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
Treat underlying cause ... Urea powder • Induces ... 0.9% NS • If Urine ... Hypotension, Increased urine ... #hyponatremia #nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Differential Diagnosis Algorithm ... Tea and Toast Syndrome ... insufficiency, SIADH ... failure, nephrotic syndrome ... #causes #nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... Differential Diagnosis Algorithm ... • Fanconi's syndrome ... #Proteinuria #Nephrology ... #Causes
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Differential Diagnosis Algorithm ... hyperaldosteronism • Low Urine ... (late) • High Urine ... Differential #Diagnosis #Algorithm ... #Nephrology #Causes
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Injury - AKI Workup Algorithm ... electrolytes, urea ... osmolarity If cause ... Differential #Diagnosis #nephrology ... #causes