If no clinical decompensation is noted when evaluating a poisoned patient, what should be the next two steps by the FNP?

In the assessment of a poisoned patient, if there are no signs of clinical decompensation, the focus should shift towards identifying any underlying issues that may not be immediately apparent. Evaluating for signs of trauma and central nervous system involvement is critical since these factors can significantly impact the patient's overall status. Trauma could indicate a secondary cause of the patient’s condition, and central nervous system involvement may point to life-threatening issues such as increased intracranial pressure or seizures.

This step ensures that the patient's condition is thoroughly assessed, especially when poisonings can sometimes obscure underlying injuries or neurological problems. Detecting such issues promptly allows for timely intervention, which is essential in minimizing complications and improving patient outcomes.

The other options, while important, do not address the immediate need to identify any multi-system involvement or injury that could complicate the patient's condition. Evaluating airway, breathing, and circulation is a standard approach but may be less urgent if the patient is stable and asymptomatic. Similarly, ordering lab tests and obtaining urine samples can provide important information but should follow an initial thorough assessment of trauma and neurological function to ensure critical conditions are not missed.