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==Pacemakers== | ==Pacemakers== | ||
[[File:temp.jpg|thumb|Plaatje PM met lead, pulse generator, header, insulation, etc.]] | |||
[[File:DVA0968.jpg|thumb|VB ECG pacemaker]] | |||
A pacemaker monitors the electrical impulses in the heart. When needed, it sends small electrical impulses to the heart muscle to maintain a normal heart rate. | A pacemaker monitors the electrical impulses in the heart. When needed, it sends small electrical impulses to the heart muscle to maintain a normal heart rate. | ||
A pacemaker rhythm can easily be recognized on the ECG. It shows pacemaker spikes: vertical signals that represent the electrical activity of the pacemaker. Usually these spikes are more visible in unipolar than in bipolar pacing (see below). | A pacemaker rhythm can easily be recognized on the ECG. It shows pacemaker spikes: vertical signals that represent the electrical activity of the pacemaker. Usually these spikes are more visible in unipolar than in bipolar pacing (see below). | ||
==Patients== | ==Patients== |