In some patients, AF seems to be triggered by electrically active pulmonary vein foci. These foci can trigger the atria to fibrillate.是什么意思_In some patients, AF seems to be triggered by electrically active pulmonary vein foci. These foci can trigger the atria to fibrillate.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句