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Written by the OrganizedWisdom Team with as the reviewer. All original content is supervised by the The OrganizedWisdom Medical Review Team
emedicine.com
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Overview: Premature ventricular contraction (PVC) is caused by an ectopic cardiac pacemaker located in the ventricle. PVCs are characterized by premature and bizarrely shaped QRS complexes usually wider than 120 msec on with the width of the ...
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