A nurse is assessing a patient for potential contraindications for an upcoming computed tomography (CT)scan of the pituitary.When the nurse learns that the patient has a pheochromocytoma, the nurse notifies the health-care provider of this finding and the CT scan is cancelled.Why is pheochromocytoma a contraindication for a CT scan?

Question

Quizplus · Accepted Answer

Pheochromocytoma is a tumor that produces excess adrenaline and other hormones, leading to high blood pressure. The injection of iodinated contrast medium during a CT scan can further increase blood pressure, potentially causing a hypertensive crisis. It is important to cancel the CT scan in this situation to avoid exacerbating the patient's condition.

A Nurse Is Assessing a Patient for Potential Contraindications for an Upcoming