12 results
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Acute Respiratory Alkalosis ... Hypokalemia • Hypomagnesemia ... • Small bowel diarrhea ... : • Aluminum/Magnesium ... Steatorrhea • Chronic Diarrhea
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... losses - Chronic diarrhea ... Differential #Diagnosis #Low ... #Magnesium #Table ... Classification #Causes #Workup
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Congenital chloride diarrhea ... - Normal/low ... , Gitelman syndrome ... , Hypomagnesemia ... acidosis: Chronic diarrhea
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Differential Diagnosis Algorithm ... Urine Mg < 10g • Diarrhea ... • Gitelman's syndrome ... #Magnesium #Low ... Differential #Diagnosis #Algorithm
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... • Normal/low ... diuretic use, Bartter syndrome ... , Gitelman syndrome ... , Hypomagnesemia
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Transcellular Shift: • Alkalosis ... • Refeeding syndrome ... losses (NG suction, diarrhea ... vomiting) • Low ... #nephrology #low
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Differential Diagnosis Algorithm ... Appropriately Low ... Absorption: Chronic Diarrhea ... Acute Respiratory Alkalosis ... nephrology #phosphorus #workup
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... Malabsorption, Chronic diarrhea ... Glucose, Acute resp. alkalosis ... • Normal or Low ... - Normal or Low
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... potassium(K) & magnesium ... Laxative use • Diarrhea ... consumption • Low ... - Metabolic Alkalosis
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... biliary fistula, Diarrhea ... aldosteronism #Hypomagnesemia ... diagnosis #nephrology #magnesium ... #low