16 results
Lab patterns seen in Inborn Errors of Metabolism

A table of lab values compiled from UpToDate and
Inborn Errors of Metabolism ... for diagnosing acute ... See IEM schema for ... metabolicemergency-pathophysiology-differential-pediatrics-metabolism-algorithm-diagnosis ... #Neonatology #Peds
A schema of the pathophysiology of the inborn errors of metabolism, excluding complex storage diseases. Helps
presentations in acute ... See the lab values ... Pathophysiology #Diagnosis #Algorithm ... #Differential # ... Neonatology #Peds
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Low intake • Metabolic ... Gl tract loss (Diarrhea ... potassium #low #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Diagnosis Algorithm ... tubal acidosis and metabolic ... losses, Vomiting, Diarrhea ... UNa > 20: • Acute ... #Causes #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... - RTA - Diarrhea ... Metabolic alkalosis ... Causes #Workup #Nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... Congenital chloride diarrhea ... acidosis due to diarrhea ... Chloride #urine #Algorithm ... #nephrology #differential
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... Diagnosis Algorithm ... Osmotic diuresis (see ... loss • Watery Diarrhea ... Hypernatremia #Nephrology
Causes of Polyneuropathy - Differential Diagnosis Algorithm
 • Metabolic: DM, Hypothyroidism, CKD, Cirrhosis, Nutritional deficiency
 •
Diagnosis Algorithm ... • Metabolic: DM ... • Toxic: EtOH, Meds ... Paraneoplastic, CTD (SLE ... #causes #neurology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia - Differential ... Diagnosis Algorithm ... Absorption: Chronic Diarrhea ... Refeeding Syndrome, Acute ... #nephrology #phosphorus
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
Causes of Non-Gap Metabolic ... Acidosis - Differential ... Diagnosis Algorithm ... net charge) • Diarrhea ... MetabolicAcidosis #NonGap #Nephrology