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ABG interpretation uses pH, PaCO2, and HCO3 to diagnose acid-base disturbances. It's essential for critical care management.
Hướng dẫn từng bước
- 1Check pH: <7.35 acidemia, >7.45 alkalemia
- 2Identify primary problem from PaCO2 and HCO3
- 3Assess appropriate respiratory compensation for metabolic disorders
Ví dụ có lời giải
đầu vào
pH 7.25, PaCO2 55, HCO3 24
Kết quả
Primary respiratory acidosis with metabolic compensation inadequate
Requires ventilatory support
Lỗi thường gặp cần tránh
- ✕Assuming PaCO2 direction matches pH (opposite for respiratory)
- ✕Neglecting appropriate compensation rules
Câu hỏi thường gặp
What's the A-a gradient used for?
Assessing lung oxygenation function; elevated gap indicates intrinsic lung disease.
How do you know if compensation is appropriate?
Use Winter's formula for metabolic acidosis or expected PaCO2 formulas for metabolic alkalosis.
Sẵn sàng để tính toán? Dùng thử Máy tính A B G Interpret miễn phí
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