Acid-Base Analyzer

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Analyze arterial blood gas (ABG) to identify primary disturbances.

Arterial Blood Gas

pH Level

PaCO2 (mmHg)

mmHg

HCO3 (mEq/L)

mEq/L

ABG Interpretation

Primary StatusNormal Acid-Base Status

Reference Ranges

pH7.35 - 7.45

PaCO235 - 45 mmHg

HCO322 - 26 mEq/L

About this calculator

Overview

Acid-base analysis is critical for managing critically ill patients. It involves examining the pH, carbon dioxide (PaCO2), and bicarbonate (HCO3) levels in arterial blood to determine the body's acid-base balance and identify metabolic or respiratory disturbances.

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Pro Tips

Always interpret blood gas findings in the context of the patient's clinical state.
If metabolic acidosis is present, always calculate the Anion Gap.
Check for 'compensation'—the body attempts to shift the other component to stabilize pH.

Fun Facts

"Normal blood pH is strictly maintained between 7.35 and 7.45."
"PaCO2 reflects the respiratory component (CO2 is an acid)."
"HCO3 reflects the metabolic (renal) component (Bicarb is a base)."
"Small changes in pH can profoundly affect cellular function and enzymatic reactions."

Formula: Based on the Hasselbalch equation and standard clinical compensation rules.