Questions and Answers
What is the condition indicated by a pH of 7.52, PCO2 of 31 mmHg, PO2 of 60 mmHg, O2Sat of 90%, and HCO3 of 25 mEq/L?
What is the condition indicated by a pH of 7.28, PCO2 of 52 mmHg, PO2 of 55 mmHg, O2Sat of 88%, and HCO3 of 23 mEq/L?
What is the condition indicated by a pH of 7.48, PCO2 of 37 mmHg, PO2 of 91 mmHg, O2Sat of 97%, and HCO3 of 38 mEq/L?
What is the condition indicated by a pH of 7.22, PCO2 of 41 mmHg, PO2 of 87 mmHg, O2Sat of 97%, and HCO3 of 19 mEq/L?
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What is the condition indicated by a pH of 7.46, PCO2 of 26 mmHg, PO2 of 63 mmHg, O2Sat of 92%, and HCO3 of 14 mEq/L?
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What is the condition indicated by a pH of 7.33, PCO2 of 56 mmHg, PO2 of 83 mmHg, O2Sat of 96%, and HCO3 of 29 mEq/L?
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What is the condition indicated by a pH of 7.56, PCO2 of 48 mmHg, PO2 of 71 mmHg, O2Sat of 94%, and HCO3 of 29 mEq/L?
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What is the condition indicated by a pH of 7.14, PCO2 of 25 mmHg, PO2 of 97 mmHg, O2Sat of 98%, and HCO3 of 13 mEq/L?
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What is the condition indicated by a pH of 7.43, PCO2 of 32 mmHg, PO2 of 92 mmHg, O2Sat of 97%, and HCO3 of 20 mEq/L?
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What is the condition indicated by a pH of 7.36, PCO2 of 49 mmHg, PO2 of 67 mmHg, O2Sat of 93%, and HCO3 of 30 mEq/L?
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What is the condition indicated by a pH of 7.41, PCO2 of 47 mmHg, PO2 of 75 mmHg, O2Sat of 94%, and HCO3 of 28 mEq/L?
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What is the condition indicated by a pH of 7.39, PCO2 of 27 mmHg, PO2 of 84 mmHg, O2Sat of 96%, and HCO3 of 16 mEq/L?
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Study Notes
Acid-Base Balance Interpretations
- pH indicates the acidity or alkalinity of the blood; normal range is typically 7.35-7.45.
- Partial pressure of carbon dioxide (PCO2) reflects respiratory function; normal range is about 35-45 mmHg.
- Partial pressure of oxygen (PO2) and oxygen saturation (O2Sat) measure oxygen levels in the blood; normal PO2 is 75-100 mmHg and O2Sat is 95-100%.
- Bicarbonate (HCO3) is a metabolic component; normal range is 22-26 mEq/L.
Uncompensated Respiratory Conditions
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Respiratory Alkalosis:
- pH 7.52, PCO2 31 mmHg, hypoxemia with PO2 60 mmHg.
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Respiratory Acidosis:
- pH 7.28, PCO2 52 mmHg, hypoxemia with PO2 55 mmHg.
Uncompensated Metabolic Conditions
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Metabolic Alkalosis:
- pH 7.48, HCO3 38 mEq/L, PCO2 normal at 37 mmHg.
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Metabolic Acidosis:
- pH 7.22, HCO3 19 mEq/L, PCO2 normal at 41 mmHg.
Partially Compensated Conditions
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Respiratory Alkalosis with Hypoxemia:
- pH 7.46, PCO2 26 mmHg, hypoxemia with PO2 63 mmHg, HCO3 low at 14 mEq/L.
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Respiratory Acidosis:
- pH 7.33, PCO2 56 mmHg, PO2 83 mmHg, HCO3 slightly elevated at 29 mEq/L.
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Metabolic Alkalosis with Hypoxemia:
- pH 7.56, PCO2 48 mmHg, hypoxemia with PO2 71 mmHg, HCO3 elevated at 29 mEq/L.
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Metabolic Acidosis:
- pH 7.14, PCO2 25 mmHg, PO2 97 mmHg, low HCO3 at 13 mEq/L.
Fully Compensated Conditions
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Respiratory Alkalosis:
- pH 7.43, PCO2 32 mmHg, PO2 92 mmHg, HCO3 20 mEq/L.
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Respiratory Acidosis with Hypoxemia:
- pH 7.36, PCO2 49 mmHg, hypoxemia with PO2 67 mmHg, HCO3 high at 30 mEq/L.
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Metabolic Alkalosis with Hypoxemia:
- pH 7.41, PCO2 47 mmHg, hypoxemia with PO2 75 mmHg, HCO3 at 28 mEq/L.
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Metabolic Acidosis:
- pH 7.39, PCO2 27 mmHg, PO2 84 mmHg, HCO3 low at 16 mEq/L.
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Test your knowledge on arterial blood gas (ABG) interpretations with these flashcards. Each card presents different ABG values along with their definitions, helping you understand various respiratory and metabolic conditions. Perfect for students and professionals in healthcare fields!
