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  • Left ventricular hypertrophy - Symptoms and causes - Mayo Clinic
    Left ventricular hypertrophy is a thickening of the wall of the heart's main pumping chamber, called the left ventricle This thickening may increase pressure within the heart The condition can make it harder for the heart to pump blood The most common cause is high blood pressure
  • 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 When the heart squeezes, it pumps out — or ejects — blood from the two lower heart chambers
  • 射血分数：重要的心脏检查 - 妙佑医疗国际 - Mayo Clinic
    左心室（LV）射血分数约 50% 至 70% 为正常。 LV 射血分数轻度降低通常介于 41% 至 49% 之间。 LV 射血分数降低通常是在 40% 或以下。 即使射血分数正常，整体心脏功能也可能不健康。如果担心自己的心脏，请咨询医疗护理专业人员。 可能导致射血分数降低的一些因素包括： 心肌无力，例如心肌病
  • Heart failure with preserved ejection fraction (HFpEF): More than . . .
    Mayo Clinic studies test acute inhaled sodium nitrite compared with placebo in people who have heart failure with preserved ejection fraction (HFpEF) and rate adaptive atrial pacing in people with HFpEF and chronotropic incompetence
  • Contact us - Mayo Clinic
    Addresses, phone numbers and electronic contact form for Mayo Clinic campuses in Arizona, Florida and Minnesota
  • Hip pain Causes - Mayo Clinic
    Hip pain is a common issue with many different causes The location of the pain can offer clues about the cause Pain felt on the inside of the hip or in the groin area typically suggests issues within the hip joint itself Hip pain on the outer side of the hip, upper thigh or outer buttock typically is related to issues with the muscles, ligaments, tendons or other soft tissues, such as
  • Symptoms and causes - Mayo Clinic
    An arteriovenous malformation can develop anywhere in the body, but common locations include the brain and spinal cord Overall, brain AVMs are rare The cause of brain AVMs isn't clear Most people who have them are born with them, but they can form later in life Rarely, AVM can be a trait passed down in families Some people with brain AVMs experience symptoms such as headaches or seizures
  • Heart failure - Symptoms and causes - Mayo Clinic
    Heart failure occurs when the heart muscle doesn't pump blood as well as it should Blood often backs up and causes fluid to build up in the lungs and in the legs The fluid buildup can cause shortness of breath and swelling of the legs and feet Poor blood flow may cause the skin to look blue or gray Depending on your skin color, these color changes may be harder or easier to see Some types
  • Symptoms and causes - Mayo Clinic
    Overview Heat exhaustion is a condition that happens when your body overheats Symptoms may include heavy sweating and a rapid pulse Heat exhaustion is one of three heat-related illnesses, with heat cramps being the mildest and heatstroke being the most serious Causes of heat illness include exposure to high temperatures, particularly when there is also high humidity, and strenuous physical
  • Atrial fibrillation - Symptoms and causes - Mayo Clinic
    Atrial fibrillation (AFib) is a heart rhythm disorder In a typical heart, a group of cells called the sinus node sends electrical signals that start each heartbeat The signals go across the upper heart chambers to the AV node, where they usually slow down Then the signals go to the lower heart chambers, causing them to squeeze and pump out blood But in AFib, the signals in the upper





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