Mercyhealth patient receives world’s smallest pacemaker


The Micra pacemaker is the size of a vitamin – one-tenth the size of a conventional pacemaker – and on August 2nd it was implanted in a Rockford patient

The pacemaker delivers electrical impulses to the heart without leads. Because of its size, inserting the device is a minimally invasive procedure, being inserted into the heart’s right ventricle through a vein in the patient’s groin, which does not require an incision.

“We remove the umbilical system so this tiny device has its battery and electronics, everything designed in that little capsule,” said Leela Narra, a cardiologist at Mercyhealth.

The battery inside the pacemaker can last up to twelve years.

The patient who received the pacemaker suffered from Chronic Atrial Fibrillation and a slow heart rate. Doctors say the procedure took one hour and was performed without complications.

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