Gadolinium Is Extremely Safe ... I Think?
In the "olden days" radiologists thought nothing of administering double or triple the standard dose of gadolinium based contrast agents during MRI studies. "The more, the better" was the general rule of thumb. This was especially true in brain oncology cases, cardiac MRI, and vascular MRA studies in which patients were often given doses far above the vendor recommendations. Unfortunately, recent studies have shown that up to 1% of the gadolinium intravenously injected remain