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Health topics
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Health topics
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Health topics
Medications
… as an anti-arrhythmic drug. It works by blocking certain electrical signals in the heart that can cause an irregular … as an anti-arrhythmic drug. It works by blocking certain electrical signals in the heart that can cause an irregular …
Medical tests
… They are connected to a machine. The machine records the electrical activity of your heart during the test. An … They are connected to a machine. The machine records the electrical activity of your heart during the test. An …