12 results
Lab patterns seen in Inborn Errors of Metabolism

A table of lab values compiled from UpToDate and
A table of lab ... from UpToDate and Pediatrics ... 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
See the lab values ... table for supplemental ... Pathophysiology #Diagnosis #Algorithm ... #Differential # ... #Table #IEM #NICU
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
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
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 Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Hyponatremia - Differential ... Diagnosis Algorithm ... tubal acidosis and metabolic ... losses, Vomiting, Diarrhea ... #Causes #nephrology
Causes of Polyneuropathy - Differential Diagnosis Algorithm
 • Metabolic: DM, Hypothyroidism, CKD, Cirrhosis, Nutritional deficiency
 •
Polyneuropathy - Differential ... Diagnosis Algorithm ... • Metabolic: DM ... Paraneoplastic, CTD (SLE ... #causes #neurology
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
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Hypochloremia - Differential ... Diagnosis Algorithm ... NGT suction - Diarrhea ... #Diagnosis #Algorithm ... Pathophysiology #Nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... Laxative use • Diarrhea ... Pressure: - Metabolic ... #differential # ... potassium #nephrology