CRT is a therapy which needs to be continiously applied. A decrease in percentage of biventricular pacing (%CRT) must be resolved before the therapy looses its efficacy and the patient becomes symptomatic. Here we present some cases where %CRT is in jeopardy and we discuss how to resolve this important issue.
![](https://microportacademycrm.com/wp-content/uploads/2022/09/courselogo-CRT-5-percent-CRT-472x355.jpg)
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