Medical City Dallas Offering the World’s Smallest Pacemaker

“The Micra pacemaker is a new type of heart device that provides patients with the most advanced pacing technology at one-tenth the size of a traditional pacemaker,” reads a recent press release by Medical City Dallas. The new miniaturized device happens to be the world’s smallest of its kind, and the first procedure to use the Micra Pacemaker was recently performed by Interventional Cardiologist, Michael Isaac, MD at the local Dallas hospital.

When it comes to size, the Micra can be easily compared to a large vitamin, but it’s impact is much larger. Like traditional pacemakers, it too treats bradycardia – “a condition characterized by a slow or irregular heart rhythm, usually fewer than 60 beats per minute” – however, the fact that the device does not require cardiac wires or a surgical pocket under the skin to deliver a pacing therapy, is what truly sets it apart from the rest. Furthermore, it’s designed to eliminate those pocket- and lead-related complications, is cosmetically invisible, has an estimated average 12-year battery longevity, and can be easily delivered through a catheter and directly implanted into the heart, minimizing tissue trauma during deployment, repositioning, and retrieval.

“The Micra pacemaker is more comfortable for patients and does not affect their outward appearance. There is no stigma associated with the Micra pacemaker, and it does not interfere with patients’ abilities to play sports or perform physical activities,” stated Dr. Michael Isaac in the aforementioned press release.

By utilizing the Micra pacemaker in procedures, Medical City Dallas once again proves its commitment to patients and excellence in healthcare, and we couldn’t be more proud to have them as part of our community. We can’t wait to hear about future achievements!

To learn more about heart and vascular services at Medical City’s state-of-the-art facility, visit their website at

I am a Hockaday alum and graduate of Saint Mary’s College in Notre Dame, IN, where I earned a Bachelor’s degree in Mass Communications. I am an aspiring writer and journalist, and, as an avid reader, I constantly exercise my imagination and whet my appetite for creativity. I am outgoing and personable, and I look forward to incorporating my innate enthusiasm for creativity into my work!

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