8 results
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Differential Diagnosis Algorithm ... Acute Respiratory Alkalosis ... Hypokalemia • Hypomagnesemia ... • Small bowel diarrhea ... Steatorrhea • Chronic Diarrhea
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
- Urinary Chloride ... Congenital chloride diarrhea ... - Normal/low ... Gitelman syndrome, Hypomagnesemia ... acidosis: Chronic diarrhea
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... Appropriately Low ... Absorption: Chronic Diarrhea ... Acute Respiratory Alkalosis ... • N Vitamin D: Primary
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Malabsorption, Chronic diarrhea ... Glucose, Acute resp. alkalosis ... Normal or High PTH: Primary ... • Normal or Low ... - Normal or Low
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
- Urinary Chloride ... Algorithm Cl- ... • Normal/low ... Gitelman syndrome, Hypomagnesemia ... #urine #Algorithm
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
NG drainage - Diarrhea ... Ureterosigmoidostomy Urinary ... - Polyuria - Hypomagnesemia ... Catecholamines - Alkalosis ... Differential #Diagnosis #Low
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... biliary fistula, Diarrhea ... depletion, Familial hypophosphatemia ... Hypercalcemic states, Primary ... nephrology #magnesium #low
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... Laxative use • Diarrhea ... mEq/g suggests urinary ... consumption • Low ... - Metabolic Alkalosis