Metabolic emergencies (peds): Difference between revisions

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*[[Hypoglycemia (peds)]]
*[[Hypoglycemia (peds)]]


==Inborn Errors of Metabolism==
*[[Inborn errors of metabolism]]
===Background===
*Clinical manifestations are due to accumulation of toxic metabolites
*Must rule-out sepsis (more common in these pts)
 
===Diagnosis===
*Encephalopathy
*Hypoglycemia
*Hepatic dysfunction
*Nonspecific complaints: lethargy, irritability, N/V
 
===Work-Up===
*Glucose level
*UA (ketones)
*Chemistry
**Anion gap a/w organic acidemias
*LFT
*Ammonia
**Should be <200 in normal neonate (higher suggests urea cycle disorders)
*Lactate
*VBG
 
===Treatment===
#NS 20 mL/kg boluses
##Increase renal excretion of toxic metabolites
#Keep NPO
##Removes potential inciting metabolic substrates
##Provide D10 at 2x usual maintenance rates
#Hyperammonemia
##<500
###(Na phenylacetate & Na benzoate) 250mg/kg in D10 over 90min; then 250 mg/kg/d infusion
###Arginine 210mg/kg IV/IO in D10 over 90min; then 210 mg/kg/d infusion
##>600
###Dialysis
#Cerebral edema
##Hyperammonemia is risk factor
###Give mannitol 0.5gm/kg IV/IO
###Do not give steroids (worsens hyperammonemia)
 


==See Also==
==See Also==

Revision as of 07:35, 1 May 2015

See Also

Source

Tintinalli

Kwon KT, Tsai VW. Metabolic emergencies. Emerg Med Clin N Am. 2007;25:1041-1060.