ECG

ECG stands for Electrocardiogram. It is a medical test that records the electrical activity of the heart over a period using electrodes placed on the skin. The electrical impulses that cause the heart to beat are detected and recorded by the ECG machine, producing a graph that shows the heart's rhythm and electrical activity. ECGs are commonly used to diagnose various heart conditions, such as arrhythmias, heart attacks, and abnormalities in the heart's structure. They are non-invasive and painless procedures that are routinely performed in medical settings.

ECG Machines

An ECG machine, also known as an electrocardiograph, is a medical device used to perform electrocardiograms (ECGs). It consists of several components:

1. Electrodes: These are sensors that are attached to the patient's skin at specific locations on the chest, arms, and legs. They detect the electrical signals generated by the heart.
2. Cables: These connect the electrodes to the ECG machine, allowing the electrical signals to be transmitted and recorded.
3. Amplifier: The electrical signals detected by the electrodes are very small, so they need to be amplified before they can be displayed on the ECG.
4. Filters: The ECG machine may include filters to remove unwanted noise or interference from the signal, ensuring a clear recording of the heart's electrical activity.
5. Display: The machine typically has a screen or monitor where the ECG waveform is displayed in real time. This waveform represents the electrical activity of the heart.
6. Recording device: Some ECG machines have built-in printers or digital recording capabilities to document the ECG for further analysis and review by healthcare professionals.
7. Controls: These allow the operator to adjust settings such as paper speed, gain, and lead selection.

Overall, the ECG machine is a crucial tool in diagnosing and monitoring various heart conditions, providing valuable information about the heart's rhythm, rate, and electrical activity.

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