医学
铅(地质)
异常
心脏病学
休克(循环)
内科学
高阻抗
重症监护医学
电阻抗
电气工程
地貌学
精神科
地质学
工程类
作者
Sandeep G. Nair,Charles D. Swerdlow
标识
DOI:10.1016/j.ccep.2018.07.004
摘要
The predominant structural mechanisms of transvenous lead dysfunction (LD) are conductor fracture and insulation breach. LD typically presents as an abnormality of electrical performance; the earliest sign usually is either oversensing or out-of-range pacing or shock impedance. Accurate diagnosis of LD requires discriminating patterns of oversensing and impedance trends that are characteristic of LD from similar patterns that occur in other conditions. Implantable cardioverter-defibrillators have advanced features to detect and mitigate the consequences of LD; these features operate both independently and in conjunction with remote monitoring networks.
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