different between coronary vs regadenoson

English

From Latin cor?n?rius, from cor?na (“crown”).

coronary (comparative more coronary, superlative most coronary)

(obsolete) Pertaining to a crown or garland.
- 1659, John Pearson, Exposition of the Creed
  The coronary thorns did not only express the scorn of the imposers by that figure into which they were contrived, but did also pierce his tender and sacred temples to a multiplicity of pains, by their numerous acuminations.
- 1684', Thomas Browne, Of Garlands and Coronary Plants
  The catalogue of coronary plants is not large in Theophrastus.
(anatomy) Encircling something (like a crown), especially with regard to the arteries or veins of the heart.

coronary (plural coronaries)

(anatomy, medicine) Any of the coronary vessels; a coronary artery or coronary vein.
(medicine) Ellipsis of coronary thrombosis.
Synonym: heart attack
A small bone in the foot of a horse.

regadenoson (uncountable)

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