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Resp 13-14
Respiratory Pre analytical errors chart
| Question | Answer |
|---|---|
| Air in sample (bubbles) | Lowers PCO2 Raises pH |
| Venous admix (no pulsation on fill) | raises CO2 Lowers pH |
| excess anticoagulant (visible heparin in syringe) | Lowers PCO2 raises pH |
| metabolic effects (excess time lag)(values don't match pt status) | raises PCO2 lowers pH Lowers PO2 |