CTICasesLeadless Pacemaker (Medtronic Micra)
Imaging findings
A small, self-contained device is seen implanted within the right ventricular myocardium on chest roentgenogram. The device has four curved tines at its distal end, which are used to embed it into the ventricular wall.
Key takeaways
This is a Medtronic Micra leadless pacemaker, a self-contained pacing device implanted percutaneously into the right ventricle. It uses tines to embed into the myocardium. It is MRI-compatible and has a battery life of ten years. This device has been recently approved by the FDA and is being used in clinical practice, including in study sites.
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