Recent check up to assess PM (Medtronics) battery life, gave it 0.5 months to 21 months.
My question why is the range so great and is the battery life based on voltge drop?
What is the basis for raplacement and at what point do they decisde it should be replaced.
This will be first PM replacemnt, since implanted 10.5 years ago.
Apprecaite any comments.