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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.
2023年8月18日 · Generally, a pulse pressure greater than 40 mm Hg is unhealthy. Checking your pulse pressure may help your care team predict your risk of heart and blood vessel events, such as heart attacks and strokes. A pulse pressure greater than 60 is a risk factor for heart disease, especially for older adults. Stiffness of the body's largest arteries is ...
2005年9月30日 · Definition. Hypoxemia is a low level of oxygen in the blood. It starts in blood vessels called arteries. Hypoxemia isn't an illness or a condition. It's a sign of a problem tied to breathing or blood flow. It may lead to symptoms such as: Shortness of breath. Rapid breathing. Fast or pounding heartbeat.
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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.
2024年2月28日 · This blood pressure chart can help you figure out if your blood pressure is at a healthy level. It also can help you understand if you need to take some steps to improve your numbers. Blood pressure is measured in millimeters of mercury (mm Hg). A blood pressure reading has two numbers. Top number, called systolic pressure.
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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.
2024年4月16日 · Put the tip of your index and long finger in the groove of your neck along your windpipe to feel the pulse in your carotid artery. Do not press on the carotid artery on both sides of your neck at the same time. This may cause you to feel lightheaded or dizzy, or possibly faint. Apply just enough pressure so you can feel each beat.
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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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The ankle-brachial index test is a quick, simple way to check for peripheral artery disease (PAD). The disease happens when narrowed arteries reduce the blood flow to the arms or legs. PAD can cause leg pain when walking. PAD also raises the risk of heart attack and stroke. The ankle-brachial index test compares the blood pressure in the ankle ...
2023年2月17日 · A left ventricle (LV) ejection fraction of about 50% to 70% is categorized as normal. A mildly reduced LV ejection fraction is usually between 41% and 49%. A reduced LV ejection fraction is usually 40% or less. Even if you have a normal ejection fraction, your overall heart function may not be healthy.
