What is the typical normal range for bicarbonate (HCO3) levels?

The typical normal range for bicarbonate (HCO3) levels in the arterial blood is between 22 and 26 milliequivalents per liter (mEq/L). Bicarbonate is a key component of the body’s buffering system, helping to maintain acid-base balance. It plays a vital role in the regulation of blood pH. When bicarbonate levels are within the normal range, it indicates that the body is effectively managing its acid-base status.

When analyzing the normal bicarbonate range, it is crucial for critical care providers and paramedics to understand that imbalances can indicate various clinical conditions. Low bicarbonate levels may suggest metabolic acidosis, while high levels can indicate metabolic alkalosis. Knowing the normal range assists healthcare professionals in interpreting laboratory results and making informed decisions about patient care in critical situations.