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- Calorie calculator - Mayo Clinic
If you're pregnant or breast-feeding, are a competitive athlete, or have a metabolic disease, such as diabetes, the calorie calculator may overestimate or underestimate your actual calorie needs
- Tachycardia - Diagnosis and treatment - Mayo Clinic
Treatment The goals of tachycardia treatment are to slow a rapid heartbeat and to prevent future episodes of a fast heart rate
- Heart arrhythmia - Symptoms and causes - Mayo Clinic
In a healthy heart, this heart signaling process usually goes smoothly, resulting in a resting heart rate of 60 to 100 beats a minute But some things can change how electrical signals travel through the heart and cause arrhythmias They include: A heart attack or scarring from a previous heart attack
- Metatarsalgia - Diagnosis treatment - Mayo Clinic
Self-care measures might be all you need to relieve symptoms These might include resting, wearing different shoes, or using an arch support or a pad on the affected area of your foot, called a metatarsal pad Rarely, surgery on the metatarsal bone might be an option
- Tachycardia - Symptoms and causes - Mayo Clinic
In a healthy heart, this signaling process usually goes smoothly The resting heart rate is typically 60 to 100 beats a minute But in tachycardia, something causes the heart to beat faster than 100 beats a minute Risk factors In general, things that may raise the risk of irregular heart rhythms that commonly cause tachycardia include
- Ejection fraction: An important heart test - Mayo Clinic
Ejection fraction is a measurement of the percentage of blood leaving the heart each time it squeezes When the heart squeezes, it's called a contraction Ejection fraction is just one of many tests your healthcare professional may use to see how your heart works The heart squeezes and relaxes
- Atrial tachycardia - Symptoms and causes - Mayo Clinic
Symptoms The main symptom of atrial tachycardia is a very fast heartbeat Typically during atrial tachycardia, the heart beats 150 to 200 times a minute
- 心率：什么情况才算正常？ - 妙佑医疗国际 - Mayo Clinic
尽管心率有广泛的正常范围，但异常高或异常低的心率可能提示有基础疾病。如果您的静息心率持续高于 100 次 分钟（心动过速）或您不是受训运动员而静息心率低于 60 次 分钟（心动过缓），尤其是如果您还伴有昏厥、头晕或呼吸短促等其他体征或症状，请向医生咨询。
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