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2022年10月8日 · A normal resting heart rate for adults ranges from 60 to 100 beats per minute. Generally, a lower heart rate at rest implies more efficient heart function and better cardiovascular fitness. For example, a well-trained athlete might have a normal resting heart rate closer to 40 beats per minute. To measure your heart rate, simply check your pulse.
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2022年5月7日 · If you have bradycardia, your heart beats fewer than 60 times a minute. Bradycardia can be a serious problem if the heart rate is very slow and the heart can't pump enough oxygen-rich blood to the body. If this happens, you may feel dizzy, very tired or weak, and short of breath. Sometimes bradycardia doesn't cause symptoms or complications.
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2023年12月15日 · Tachycardia is an increased heart rate for any reason. If a fast heart rate is caused by exercise or stress, it's called sinus tachycardia. Sinus tachycardia is a symptom, not a condition. Most heart conditions can lead to different forms of tachycardia. Irregular heart rhythms, called arrhythmias, are one cause.
2023年8月25日 · Multiply 96.5 by 0.7 (70%) to get 67.5, then add your resting heart rate of 80 to get 147.5. This is your target heart rate at 70% intensity. Now multiply 96.5 by 0.85 (85%) to get 82, then add your resting heart rate of 80 to get 162.03. This is your target heart rate at 85% intensity.
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2024年3月7日 · Supraventricular tachycardia (SVT) is a type of irregular heartbeat, also called an arrhythmia. It's a very fast or erratic heartbeat that affects the heart's upper chambers. SVT also is called paroxysmal supraventricular tachycardia. The typical heart beats about 60 to 100 times a minute.
2022年10月8日 · Respuesta de Edward R. Laskowski, M.D. Una frecuencia cardíaca en reposo normal para los adultos oscila entre 60 y 100 latidos por minuto. Generalmente, una frecuencia cardíaca más baja en reposo implica una función cardíaca más eficiente y un mejor estado físico cardiovascular. Por ejemplo, un atleta bien entrenado puede tener una ...
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2023年10月13日 · A heart arrhythmia may feel like a fluttering, pounding or racing heartbeat. Some heart arrhythmias are harmless. Others may cause life-threatening symptoms. There are times when it is OK to have a fast or slow heartbeat. For example, the heart may beat faster with exercise or slow down during sleep.
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2024年3月6日 · In ventricular tachycardia, an irregular electrical impulse starting in the lower chambers of the heart makes the heart beat faster. Ventricular tachycardia is a type of irregular heartbeat, called an arrhythmia. It starts in the lower chambers of the heart, called the ventricles. This condition also may be called V-tach or VT.
2023年8月10日 · Pregnancy makes the heart and blood vessels work harder. During pregnancy, blood volume increases by 30% to 50% to nourish the growing baby. The heart also pumps more blood each minute, and the heart rate increases. Labor and delivery add to the heart's workload too. During labor, there are sudden changes in blood flow and blood pressure ...
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2023年12月15日 · Tests to diagnose tachycardia may include: Electrocardiogram (ECG or EKG). This quick test checks the heartbeat. Sticky patches, called electrodes, are attached to the chest and sometimes to the arms or legs. An ECG shows how fast or how slow the heart is beating. Some personal devices, such as smartwatches, can do ECGs.
