A Patient Is Having an MRI for a Knee Injury

Multiple Choice

A patient is having an MRI for a knee injury. During the test, he complains of burning in his upper thigh and swelling. Which of the following is the most probable cause of this complaint?

A) Fluid is trapped in the leg due to the dependent positioning.
B) Discomfort most likely related to injury in the knee.
C) Trace metals in ink from a tattoo on the thigh.
D) Discomfort indicates an emergency and requires discontinuation of the MRI.