Definition of Sodium hydrogen carbonate
1. Noun. A white soluble compound (NaHCO3) used in effervescent drinks and in baking powders and as an antacid.
Medical Definition of Sodium hydrogen carbonate
1.
Carbonic acid monosodium salt (CHNaO3).
A white, crystalline powder that is used as an electrolyte replenisher and systemic alkaliser. It is applied topically in solution to wash the nose, mouth, or vagina, and as a cleansing enema.
Pharmacologic action: Acid neutralization.
Uses: Preexisting metabolic acidosis, hyperkalemia, tricyclic or phenobarbital overdose.
Dose in mEq: 0.3 * (base deficit) * (wt in kg).
Potential complications: Metabolic alkalosis, hypercarbia, hyperosmolar state.
Note: Since HCO3- does not cross cell membranes and CO2 does, the administration of bicarbonate may actually make tissues more acidotic.
Chemical name: Carbonic acid monosodium salt.
(12 Mar 2000)
Lexicographical Neighbors of Sodium Hydrogen Carbonate
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