© 2020 MJH Life Sciences and Cancer Network. All rights reserved.
© 2020 MJH Life Sciences™ and Cancer Network. All rights reserved.
August 15, 2015
A 45-year-old man with a known history of rheumatic fever and aortic valve replacement 15 years earlier presented with the chief complaint of a 1-month history of progressive, intense, nonmechanical lumbar pain.