19 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
Diabetes Insipidus vs Syndrome of Inappropriate ADH (SIADH) - Comparison Table

Diabetes Insipidus - Inadequate ADH
SIADH -
Diabetes Insipidus vs Syndrome ... Inappropriate ADH (SIADH ... ) - Comparison Table ... #Comparison #Table ... #Pathophysiology
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic Syndrome ... nephrotic/nephritic syndromes ... 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 ... Diagnosis #Algorithm #nephrology
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
Urine Specific Gravity ... Gravity = Density of urine ... Dehydration • SIADH ... (syndrome of inappropriate ... #differential #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 ... • Urine Na > 30 ... #sodium #low #nephrology
Pathophysiology of Tumor Lysis Syndrome (TLS)
Tumor Cell Lysis
-> Release of DNA
 • Purines -> Hypoxanthine /
Pathophysiology ... of Tumor Lysis Syndrome ... Precipitation => • Urate ... Nephropathy (low urine ... nephropathy (high urine
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
Urea powder • Induces ... into ammonium by urease-producing ... 0.9% NS • If Urine ... 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 ... volume overload Urea ... Saline: • If Urine ... SatyaPatelMD #SIADH ... #hyponatremia #nephrology
Urine Microscopy Crystals
Uric Acid crystals:
 - Formation promoted by acidic urine
 - Seen in tumor lysis
Urine Microscopy ... promoted by acidic urine ... in tumor lysis syndrome ... Seen in UTIs by urease-producing ... Microscopy #Crystals #comparison