心房撲動
心房撲動(Atrial Flutter),源自心房異位節律點,每分鐘約發出激動波250~350個。其特徵為P波外型相似且快速地出現,且呈鋸齒狀。因為這種激動波是源自於異位節律點,故稱之為撲動波(Flutter Wave)。只有少數個撲動波能傳至房室結,故幾個P波之後才會出現QRS綜合波。
心房撲動 Atrial flutter | |
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Atrial flutter with varying A-V conduction (5:1 and 4:1) | |
类型 | Atrial tachycardia[*] |
分类和外部资源 | |
醫學專科 | 心臟病學 |
ICD-10 | I48 |
ICD-9-CM | 427.32 |
DiseasesDB | 1072 |
MedlinePlus | 000184 |
eMedicine | med/185 |
Patient UK | 心房撲動 |
MeSH | D001282 |
外部連結
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