Fig. 2From: A retrospective review of 146 active and passive fixation bradycardia lead implantations in 74 dogs undergoing pacemaker implantation in a research setting of short term durationVariations on chronic mature endocardial lead implant sites. a RA appendage, active fixation lead, 90 days post implant; (b) RA appendage, active fixation lead, 47 days post implant; (c & d) Both right ventricles, active fixation leads, 180 days post implantBack to article page