Patients are frequently asked about iodine or seafood allergy before IV contrast material is administered because of a commonly held belief among radiologists and others in the medical community of a specific cross-reactivity between iodinated radiographic contrast material and other iodine-rich substances.
Pericarditis is inflammation of the pericardium, two thin layers of a sac-like tissue that surrounds the heart, holds it in place and helps it work. A small amount of fluid keeps the layers separate so that thereâs no friction between them.
Polyarteritis nodosa (PAN) is a disorder characterized by necrotizing inflammation of the small- or medium-sized muscular arteries, commonly within the kidneys, gastrointestinal (GI) tract, skin, nerves, joints, and the muscles (1).