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Updated: Jul 14, 2026

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
Published on: December 11, 2017
Impacted left ventricular lead technique in cardiac resynchronization therapy
1Department of Medicine and Geriatrics, Princess Margaret Hospital, 2-10 Princess Margaret Hospital Road, Lai Chi Kok, Kowloon 852, Hong Kong. ngaiyinchan@yahoo.com.hk
Abstract:
Left ventricular (LV) lead dislodgement is a significant problem in cardiac resynchronization therapy and re-operation is required to rectify the situation. In this case report, we describe a new technique to stabilize an LV lead which is prone to dislodgement by impacting an inactive LV lead in the same cardiac vein.
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An electrocardiogram (ECG) is a diagnostic tool for identifying cardiac conditions such as arrhythmias, conduction abnormalities, and myocardial ischemia.
Definition
An electrocardiogram (ECG) visualizes the heart's electrical activity by tracing the electrical movement associated with each heartbeat on a graph or monitor. As the heart beats, an electrical wave passes through it, correlating with the cardiac cycle events.
Parts of an ECG
An ECG utilizes electrodes on the skin to...