Falsely elevated plasma metanephrine in patients taking midodrine.

  title={Falsely elevated plasma metanephrine in patients taking midodrine.},
  author={Holly Emms and George Farah and Brian S.F. Shine and Chris Boot and Barry Toole and Martin McFadden and Leo K. Y. Lam and Zong-Quan Ou and Gerald A. Woollard and Hima Madhavaram and Campbell Vance Kyle and Ashley B. Grossman},
  journal={Annals of clinical biochemistry},
  volume={55 4},
Plasma metanephrines have become the biochemical test of choice for suspected phaeochromocytomas and paragangliomas in many institutions. We encountered two separate cases of significantly elevated plasma metanephrines in patients taking midodrine, a sympathomimetic drug used in the treatment of severe postural hypotension, in the absence of a diagnosis of… CONTINUE READING