24 hour ECG (Holter) monitoring--reaserched and produced by YUDA medical group over 10 years focused on Dynamic Holter ECG monitor.If a patient has signs or symptoms of a heart problem, such as an irregular heartbeat (arrhythmia) or unexplained fainting, their doctor may order a test called an electrocardiogram. An electrocardiogram is a brief, non-invasive test that uses electrodes taped to the chest to check the heart's rhythm. However, sometimes an electrocardiogram doesn't detect any irregularities in the heart rhythm because the patient is connected to the ECG machine for only a short time. If their signs and symptoms suggest that an occasionally irregular heart rhythm may be causing their condition, the doctor may recommend the wearing of a Holter monitor for up to 48 hours. Over that time, the Holter monitor may be able to detect irregularities in the heart rhythm that an electrocardiogram couldn't detect. The doctor may also order a Holter monitor if you the patient has a heart condition that increases your risk of an abnormal heart rhythm.
A 24 hour Holter monitor is a battery-operated portable device that measures and records your heart’s ECG activity continuously for 24 to 48 hours (or even longer) depending on the type of monitoring used. The device is usually about the size of a small camera.
Although two/three channel recording has been used for a long time in the Holter monitoring history, 12 channel Holters have recently appeared. These systems use the classic lead system, i.e. producing a signal in the same format as during the common rest ECG and/or stress test measurement. These Holters can occasionally provide information similar to that of an ECG stress test examination. They are also suitable when analyzing patients after myocardial infarction.
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