91 results
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Metabolic Alkalosis - Differential ... Urine Cl-: Vomiting ... (late) • High Urine ... Metabolic #Alkalosis #Differential ... Diagnosis #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Metabolic Alkalosis - Differential ... Urine Cl-: Vomiting ... (late) • High Urine ... Metabolic #Alkalosis #Differential ... Diagnosis #Algorithm #Nephrology
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
True Hyponatremia Differential ... sodium low, uric ... and uric acid low ... #Hyponatremia #Differential ... Algorithm #Diagnosis #Nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Low-normal EABV ... , Low Plasma HCO3 ... Plasma HCO3- • Low ... #potassium #differential ... algorithm #diagnosis #nephrology
General approach to AKI - Checklist

Urine electrolytes & FENa - Previously, it was believed that urine
approach to AKI - Checklist ... Urine electrolytes ... FENa) could help differentiate ... PulmCrit #AKI #Checklist ... AcuteKidneyInjury #Nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Osmolarity 2) Urine ... Osmolarity 3) Urine ... Uric Acid - Low ... Diagnosis #Algorithm #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Normal Acid-Base: Low ... #Hypokalemia #Differential ... causes #potassium #low ... #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
uric acid >4 • Urine ... Hypothyroidism, Low ... Cirrhosis, Nephrotic syndrome ... diagnosis #sodium #low ... #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Hypophosphatemia - Differential ... leukemia Measure Urine ... • Normal or Low ... - Normal or Low ... Workup #phosphate #nephrology
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... Polyuria = >3L Urine ... nutrition), Azotemia LOW ... Polydipsia #Polyuria #Differential ... Diagnosis #Algorithm #nephrology