29 results
Lab patterns seen in Inborn Errors of Metabolism

A table of lab values compiled from UpToDate and
additions, for diagnosing ... acute metabolic ... See IEM schema for ... metabolicemergency-pathophysiology-differential-pediatrics-metabolism-algorithm-diagnosis ... #Table #NICU #Genetics
A schema of the pathophysiology of the inborn errors of metabolism, excluding complex storage diseases. Helps
presentations in acute ... See the lab values ... MetabolicEmergency #Genetics ... Pathophysiology #Diagnosis ... #Algorithm #Differential
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... intake • Metabolic ... Gl tract loss (Diarrhea ... #Diagnosis #Algorithm
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Diagnosis Algorithm ... Urine Mg < 10g • Diarrhea ... other EGFR ab • Genetics ... Hypomagnesemia #Magnesium #Low ... #Diagnosis #Algorithm
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup - Differential ... Diagnosis Algorithm ... Hypoparathyroidism: Autoimmune, Genetic ... Hyperphosphatemia, Acute ... #Diagnosis #Algorithm
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Diagnosis Algorithm ... Appropriately Low ... Refeeding Syndrome, Acute ... Alkalosis, Tumor Genesis ... #Diagnosis #Algorithm
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Hypophosphatemia - Differential ... Diagnosis Framework ... paraproteinemia, acute ... Malabsorption, Chronic diarrhea ... syndrome, Tumor genesis
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
- Differential ... Diagnosis Algorithm ... Congenital chloride diarrhea ... - Normal/low ... #Diagnosis #Algorithm
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
The Diagnostic Approach ... transplant - SLE ... Diabetes mellitus - Acute ... #Hyperkalemia #Algorithm ... #diagnosis #differential
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Diagnosis Algorithm ... Osmotic diuresis (see ... mannitol, glucosuria Low ... loss • Watery Diarrhea ... #Diagnosis #Algorithm