Question

Difference between internal pacemaker external pacemaker

Answer 1

Thank you for asking this very interesting question.
The internal pacemaker are implanted within the human body in order to regulate the proper heart functioning. In it the electrodes are attached directly to the heart .

While external pacemaker are placed outside the human. The wire of the pacemaker are put into the vein and then after that these wires  are connected to the heart. This is done for temporary purpose .

Answer 2

An internal pacemaker consists of myocardial or endocardial electrodes. It is intended for long-term use. This kind of pacemaker is also called implantable pacemaker.

An external pacemaker features exteriorized electrodes. This pacemaker is usually transistorized, miniaturized, battery-powered and patient-portable. It is recommended for short-term or temporary use.