18 results
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Urine Cl-: Vomiting ... Cl intake, Diuretics ... (late) • High Urine ... Cl-: Diuretics, ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Urine Cl-: Vomiting ... Cl intake, Diuretics ... (late) • High Urine ... Cl-: Diuretics, ... #Nephrology #Causes
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... Urine Cl - Non-reabsorbable ... Cl - Loop diuretics ... , Thiazide diuretics ... #diagnosis #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Differential Diagnosis Algorithm ... Al, Low R - Pseudo-hyperaldosteronism ... >20 mEq/24 h - Diuretics ... Differential #Diagnosis #Algorithm ... #nephrology #causes
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Differential Diagnosis Algorithm ... mosm/kg • Solute Diuresis ... nutrition), Azotemia LOW ... Differential #Diagnosis #Algorithm ... #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... loop or thiazide diuretics ... alkalosis • Normal/low ... pressure: Active diuretic ... #Algorithm #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... 1) Check Urine ... • Euvolemic (Low ... • Hypovolemic: Diuretics ... #nephrology #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Urine Na+K / serum ... can be high or low ... differential #diagnosis #table ... #sodium #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
145 mmol/L High Urine ... administration • Osmotic diuresis ... mannitol, glucosuria Low ... Urine Osmolality ... Hypernatremia #Nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Differential Diagnosis Algorithm ... /min) Osmotic Diuresis ... GI Bleed) • NaCl ... #Polyuria #Nephrology ... Differential #Diagnosis #Algorithm