Electricity causes muscle cells in your heart to contract, making it beat. Electrocardiogram (ECG) machines measure the amount of electricity going through the heart. Without the right electrical charge in your body, your heart will fall out of rhythm.
Electricity causes muscle cells in your heart to contract, making it beat. Electrocardiogram (ECG) machines measure the amount of electricity going through the heart. Without the right electrical charge in your body, your heart will fall out of rhythm.
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