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… you do have a headache while you exercise, write down the activity you were doing. Avoid very hard exercise. This can … you do have a headache while you exercise, write down the activity you were doing. Avoid very hard exercise. This can …
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… The nerves in the muscles and lungs sense this increased activity and report it to the brain. As a result, you feel … The nerves in the muscles and lungs sense this increased activity and report it to the brain. As a result, you feel …
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… (EKG, ECG) tracing shows this normal electrical activity. How atrial fibrillation happens slide 2 of 5 < … electrocardiogram (EKG, ECG) shows this normal electrical activity. How atrial fibrillation happens slide 2 of 5 < … electrocardiograms (EKG, ECG) show the heart's electrical activity during atrial fibrillation and when a heart has a …
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… you need emergency care. Call 9-1-1 or other emergency services now. Sometimes people don't want to call 9-1-1 . … you need emergency care. Call 9-1-1 or other emergency services now. Sometimes people don't want to call 9-1-1. …
