Final answer:
The patient is experiencing side effects and complications of sodium nitroprusside administration, including headache, confusion, arrhythmias, flushing, and respiratory depression/hyperreflexia.
Step-by-step explanation:
The patient in question is experiencing symptoms that are consistent with the side effects and complications of sodium nitroprusside administration. Sodium nitroprusside is a medication used to lower blood pressure, but it can cause various adverse effects, including headache, confusion, arrhythmias, flushing, and respiratory depression/hyperreflexia. These symptoms can occur due to the drug's effect on the nervous system, cardiovascular system, and respiratory system.