ABG Handout 1
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BOROUGH OF MANHATTAN COMMUNITY COLLEGE The City University of New York LABORATORY INDICATIONS OF ACID-BASE IMBALANCE SIGN NORMAL INTERPRETATION pH 7.35-7.45 Less than 7.35 —>acidosis More than 7.45 —>alkalosis PaCO 2 35-45 mm Hg Less than 35 —>respiratory alkalosis More than 45 —>respiratory acidosis BICARBONATE (HCO 3 -) 22-26 mEq/L Less than 22 —> metabolic acidosis More than 26 —> metabolic alkalosis BASE EXCESS/DEFICIT +2 to -2 mEq/L Less than -2 —> metabolic acidosis More than +2 —> metabolic alkalosis OXYGEN SATURATION (THE AMOUNT OF HEMOGLOBIN COMBINED WITH OXYGEN) 95-98% PaO 2 80 to 100 mm Hg May be greater than 100 if patient is on oxygen and less than 75 if there is a pulmonary problem. 1
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Transcript of ABG Handout 1
BOROUGH OF MANHATTAN COMMUNITY COLLEGEThe City University of New York
LABORATORY INDICATIONS OF ACID-BASE IMBALANCE
SIGN NORMAL INTERPRETATION
pH 7.35-7.45 Less than 7.35 —>acidosisMore than 7.45 —>alkalosis
PaCO2 35-45 mm Hg Less than 35 —>respiratory alkalosisMore than 45 —>respiratory acidosis
BICARBONATE(HCO3-)
22-26 mEq/L Less than 22 —> metabolic acidosisMore than 26 —> metabolic alkalosis
BASEEXCESS/DEFICIT
+2 to -2 mEq/L Less than -2 —> metabolic acidosisMore than +2 —>metabolic alkalosis
OXYGENSATURATION(THE AMOUNTOF HEMOGLOBINCOMBINED WITHOXYGEN)
95-98%
PaO2 80 to 100 mm Hg May be greater than 100 if patient ison oxygen and less than 75 if thereis a pulmonary problem.
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