英: poststenotic dilatation

狭窄部位の後部では、早い血流の噴出を生じ、血管が拡張する。(早い血流が遅い血流とぶつかり、乱流を来すため？)
大動脈縮窄、肺動脈弁狭窄症、大動脈弁狭窄症でみられる。

-poststenotic dilatation

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