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Electrocardiogram devices (ECG)
ECG devices record the heart rhythm based on the electrical excitation of the heart during the heartbeat. The ECG examination is useful in cases of high blood pressure, cardiac arrhythmias or arteriosclerosis, among others.
A distinction is made between long-term, resting and stress ECGs. Long-term ECGs record the heartbeat over a longer period of time if, for example, cardiac arrhythmias occur irregularly. The resting ECG is performed on the person lying down and relaxed, while the stress ECG is used during physical exertion, such as on a treadmill.