8 results
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
- Differential ... Acute Respiratory Alkalosis ... Hypokalemia • Hypomagnesemia ... • Small bowel diarrhea ... Diarrhea #Hypophosphatemia
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
- Differential ... Congenital chloride diarrhea ... Gitelman syndrome, Hypomagnesemia ... diarrhea, Kidney ... #Differential #
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential ... Malabsorption, Chronic ... diarrhea, Poor ... Glucose, Acute resp. alkalosis ... #Differential #
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... NG drainage - Diarrhea ... - Polyuria - Hypomagnesemia ... Catecholamines - Alkalosis ... Potassium #Table #Classification
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... - Differential ... GI Absorption: Chronic ... Diarrhea, Antacids ... Acute Respiratory Alkalosis
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... GI losses - Chronic ... diarrhea / IBD ... #Differential # ... Magnesium #Table #Classification
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Gitelman syndrome, Hypomagnesemia ... metabolic acidosis • Chronic ... diarrhea • Kidney ... D-lactic acidosis • Chronic ... Algorithm #nephrology #differential
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Transcellular Shifts: - Alkalosis ... Alcoholism (worsened by hypomagnesemia ... nasogastric suction, Diarrhea ... - Diuretics (carbonic ... Hypokalemia #Causes #differential