69 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... High Uric Acid → renal ... #Diagnosis #Algorithm ... #nephrology #sodium
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Algorithm Instead ... sodium low, uric ... uric acid low in ... #Algorithm #Diagnosis ... #Nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
losses • Urine ... Hypothyroidism, Low ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Diagnosis Algorithm ... Urine Cl-: Vomiting ... (late) • High Urine ... #Diagnosis #Algorithm ... #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Diagnosis Algorithm ... water loss, Serum Sodium ... mannitol, glucosuria Low ... Hypernatremia #Nephrology ... Diagnosis #Algorithm
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup ... Check Urine Osmolality ... • Euvolemic (Low ... #Algorithm #nephrology ... #sodium
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Syndrome Testing Algorithm ... Cortisol, Free Urine ... Cortisol, Saliva • Low ... dexamethasone suppression test ... Cushing #Syndrome #diagnosis
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Diagnosis Algorithm ... Urine Cl-: Vomiting ... (late) • High Urine ... #Diagnosis #Algorithm ... #Nephrology #Causes
General approach to AKI - Checklist

Urine electrolytes & FENa - Previously, it was believed that urine
sodium excretion ... fractional excretion of sodium ... FENa) could help differentiate ... performance for diagnosing ... AcuteKidneyInjury #Nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
of Polyuria - Differential ... Diagnosis Algorithm ... Recovery from Acute Renal ... #Polyuria #Nephrology ... Diagnosis #Algorithm