Need to know what country you're in, first off. You say CDL, which is American, but you say Class 1, which is Canadian. Figure that part out, and it may be possible to give an accurate answer to this question.
pacemaker is a pacemaker
pacemaker is a pacemaker
How did the pacemaker effect the world?
It would likely fry the pacemaker
pacemaker
the answer is in the question. if the pacemaker is replaced the leads are used for it.
The heart's "pacemaker" is the SA (sinoatrial) node.
The pacemaker is located on the outside of the right atrium.
A pacemaker delivers an electric stimulus to the heart.
The sinoatrial node is considered the pacemaker of the heart.
John hopps invented the first external pacemaker. Later Earl Bakken improved this pacemaker by making it battery powered. And then Wilson Greatbatch invented the first implantable pacemaker!
A pacemaker is implanted inside the skin of the side of a patient's chest, and has 'wires' running over to the heart. A pacemaker is not in your blood.