But o nly 20% inferior vena cava (IVC) can record A wave at 1 cm from the IVC-right a trium junction and pacing can capture the atrium.是什么意思_But o nly 20% inferior vena cava (IVC) can record A wave at 1 cm from the IVC-right a trium junction and pacing can capture the atrium.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句