May A Son Perform a Surgery On His Father?

Normally, a child is prohibited from causing a wound to one's parent, a sin that carries capital punishment. The Gemara discusses whether, when a father asks a child to perform a medical procedure on him, it is permitted. The Gemara brings a story that indicates that it's problematic since the child might accidentally cause more of a wound than necessary.

Shiur provided courtesy of halachashiur.com