冠脈造影就是從大腿根處或手臂的血管插入一根很細的導管,一直通到給心髒供血的冠狀動脈開口處,然後把造影劑打進冠狀動脈裡面去,這樣冠狀動脈及其分支内部形态就可以在 X 光下顯影出來,可以觀察出冠脈有沒有狹窄、斑塊等。
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