Tiny Pacemaker Dissolves When No Longer Needed | The new device is smaller than a grain of rice and can be injected by syringe

[u/ahothabeth]

https://spectrum.ieee.org/pacemaker

[u/taxi212001]

How often does a pacemaker become unnecessary after insertion?

[u/Odd-Guarantee-6152 → u/taxi212001]

Sometimes people need temporary pacers after surgery or heart attack until their heart heals. Pacemakers like this also have way, way lower risks of infection and long-term complications.