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Enlarged left heart. High blood pressure forces your heart to work harder than necessary in order to pump blood to the rest of your body. This causes the left ventricle to thicken or stiffen (left ventricular hypertrophy). These changes limit the ventricle's ability to pump blood to your body. This condition increases your risk of heart attack, heart failure and sudden cardiac death.
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Isolated systolic hypertension occurs when the top number of a blood pressure reading (systolic blood pressure) is high and the bottom number (diastolic blood pressure) is normal. Isolated systolic hypertension is most common along older adults, but is also found in young and middle-aged adults. It’s important for patients with isolated systolic hypertension to work with their doctors to determine the best possible treatment to achieve a healthy blood pressure and reduce risk of complications.
Recent updates to guidelines from the American Heart Association and the American College of Cardiology changed the definition of high blood pressure or hypertension for most people. High blood pressure is now generally defined as 130 or higher for the first number, or 80 or higher for the second number (previously it was 140/90). However, there are important considerations for older adults in deciding whether to start treatment for high blood pressure, including other health conditions and overall fitness. If your blood pressure is above 130/80, your doctor will evaluate your health to determine what treatment is needed to balance risks and benefits in your particular situation.