Everything You Need To Know To Interpret Arterial Blood Gases
Correctly interpreting ABGs is essential for the diagnosis and management of acid-base disFree Downloads and respiratory disFree Downloads. ABGs can provide valuable information about the patient's overall health and can help guide treatment decisions. For example, a patient with a low PaO2 may need supplemental oxygen, and a patient with a high PaCO2 may need mechanical ventilation.
- Check the pH. The pH is a measure of the acidity or alkalinity of the blood. A normal pH is between 7.35 and 7.45. A pH below 7.35 is considered acidotic, and a pH above 7.45 is considered alkalotic.
- Check the PaO2. The PaO2 is a measure of the amount of oxygen in the blood. A normal PaO2 is between 80 and 100 mmHg. A PaO2 below 80 mmHg is considered hypoxemic, and a PaO2 above 100 mmHg is considered hyperoxemic.
- Check the PaCO2. The PaCO2 is a measure of the amount of carbon dioxide in the blood. A normal PaCO2 is between 35 and 45 mmHg. A PaCO2 below 35 mmHg is considered hypocapnic, and a PaCO2 above 45 mmHg is considered hypercapnic.
- Check the HCO3-. The HCO3- is a measure of the amount of bicarbonate in the blood. A normal HCO3- is between 22 and 26 mEq/L. A HCO3- below 22 mEq/L is considered metabolic acidosis, and a HCO3- above 26 mEq/L is considered metabolic alkalosis.
- Respiratory acidosis occurs when the PaCO2 is elevated and the pH is decreased. This can be caused by conditions that impair ventilation, such as chronic obstructive pulmonary disease (COPD),pneumonia, and asthma.
- Respiratory alkalosis occurs when the PaCO2 is decreased and the pH is increased. This can be caused by conditions that increase ventilation, such as hyperventilation and altitude sickness.
- Metabolic acidosis occurs when the HCO3- is decreased and the pH is decreased. This can be caused by conditions that produce acids, such as diabetic ketoacidosis, lactic acidosis, and renal failure.
- Metabolic alkalosis occurs when the HCO3- is increased and the pH is increased. This can be caused by conditions that lose acids, such as vomiting and diarrhea.
- Arterial Blood Gases
- Interpretation of Arterial Blood Gases
- ABG Interpretation Made Ridiculously Simple
- Arterial Blood Gas (ABG) Calculator
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Language | : | English |
File size | : | 2791 KB |
Text-to-Speech | : | Enabled |
Screen Reader | : | Supported |
Enhanced typesetting | : | Enabled |
X-Ray | : | Enabled |
Print length | : | 144 pages |
Lending | : | Enabled |
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4.6 out of 5
Language | : | English |
File size | : | 2791 KB |
Text-to-Speech | : | Enabled |
Screen Reader | : | Supported |
Enhanced typesetting | : | Enabled |
X-Ray | : | Enabled |
Print length | : | 144 pages |
Lending | : | Enabled |