Pacemaker overview, Mayo Clinic, https://www.mayoclinic.org/tests-procedures/pacemaker/about/pac-20384689
In this mini-sode Tyler and Devan discuss whether it is ethical to turn off a pacemaker if a patient will die without it.
Links:
What is a pacemaker?
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5349811/pdf/bumc0030-0157.pdf