Heart with leadless cardiac pacemaker

Heart with leadless cardiac pacemaker

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Credit: ALFRED PASIEKA/SCIENCE PHOTO LIBRARY

Caption: Computer artwork showing a leadless cardiac pacemaker in a human heart. These are single-chamber, programmable devices delivered minimally invasive by catheter via the femoral vein into the right ventricle of the heart. They contain a lithium battery, electrode and fixation device in a body one-tenth the size of a traditional pacemaker. A sensor and stimulatory electrode sense the heart's activity and determine when to deliver or withhold stimulation. The device's battery life depends on the amount of pacing required but is estimated to be seven to 10 years. The type shown anchors to the myocardium with curved prongs or tines. Leadless pacemakers have the potential to replace conventional pockets and leads and improve the the safety of pacemakers, avoiding infections, lead dislodgements and failures.

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Keywords: 3d medical illustration, anatomy, anchors, artery, artwork, battery, biology, black background, blood supply, blood vessel, cardiac, cardiovascular system, catheter, close up, coronary artery, coronary blood supply, coronary blood vessels, coronary vessel, curved, cut-out, cutout, dislodgements, ecg, electrode, failures, femoral vein, fixation, healthcare, heart, heart chamber, heart's activity, infections, invasive, lead, leadless, lithium battery, minimaly, myocardium, pacemaker, programmable device, prongs, right ventricle, safety, sensor, single-chamber, stimulate, stimulation, stimulatory, tines, veins

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