It was reported that during placement of the left ventricular (lv) lead, the physician had difficulty threading the lead all the way out into the branch of the coronary sinus.When lead retraction was attempted, the lead became difficult to pull back and the patient described "discomfort with physician pulling." the possibility of a perforation upon retraction was considered and a heart team was placed on stand-by.The lead was eventually retracted and visible tissue was noted at the tip of the lead, however, no evidence of a perforation was noted via echocardiogram, fluoroscopy or vital signs.An alternative lead was placed.No further patient complications have been reported as a result of this event.
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