The 24-hour ambulatory electrocardiogram can lie on its side. When using 24-hour dynamic electrocardiogram, you don’t need to be too nervous, you can work and live normally. The dynamic electrocardiograph mainly focuses on measuring the patient’s electrocardiogram within 24 hours, and there will be no abnormal results due to the influence of body position, so you can lie on your side. During the use of the ECG machine, just fix the dynamic ECG machine on the side of the waist to prevent pulling the lead wire to cause the electrode sheet to fall off and affect the signal reception. At the same time, because the results of the dynamic electrocardiogram will be affected by the magnetic force, be careful to also avoid contact with strong magnetic fields in the process of use. Before using the 24-hour dynamic electrocardiogram, do not be too anxious, you can consult a professional doctor for the correct use of the method, to prevent misuse resulting in abnormal results.