https://m.bilibili.com/video/BV1oP411z7hN?buvid=XYCA463CDF200A9A8A44F958BD1448295C3DE&from_spmid
cystic haemangiomas:[ J]. Heart Lung Circ,2014,23(4):e118-e121. [3] Klecker R J,Sinclair D S,King M
https://mp.weixin.qq.com/s?__biz=MzUwOTk2NjU4OQ==&mid=2247549963&idx=1&sn=922b68e0ed861c62a5955d2b
PVC QRS持续时间(ms);E=窦性心律R波振幅(mV);F=窦性心律S波振幅(mV)。用以下公式计算每个导联的移形过渡比[B/(B+C)]VT ➗E/(E+F)SR)。图3,描述随呼吸变化的心电
case 3) Bull Neurol Inst New York, 2 (1932), pp. 257-265E.F. Krug, B. Samuels Venous angioma