3 articles
Artificial cardiac pacemaker
Artificial cardiac pacemaker: implantable device delivering electrical impulses to correct slow or irregular heartbeats. Invented as an implant in 1958 (Elmqvist/Senning) and 1960 (Chardack/Greatbatch); now includes leadless catheter-delivered capsules like Medtronic Micra and Abbott Aveir.
Pacemaker failure
Pacemaker failure is the malfunction of an implanted cardiac pacemaker, its leads, or its programming so that it fails to keep an adequate heart rate.
Pacemaker syndrome
Pacemaker syndrome: iatrogenic symptoms from ventricular pacing causing AV dyssynchrony, first described 1969; incidence 2-80%; treated by reprogramming or dual-chamber upgrade.