Final answer:
Signs indicating that a patient is in too deep sedation with nitrous oxide include cherry-red skin, confusion, gasping for air, seizures prior to death, and metabolic acidosis.
Step-by-step explanation:
When a patient is in too deep sedation with nitrous oxide, there are certain signs to look out for:
- Cherry-red skin and possible cyanosis: This can indicate lack of oxygen in the blood.
- Confusion and nausea: These are common symptoms of excessive sedation.
- Patients may gasp for air: This suggests that the sedation level is too deep.
- Seizures prior to death: Seizures can be a serious complication of excessive sedation.
- Metabolic acidosis: This is when there is an imbalance in the body's acid-base levels.