Left bundle branch block is a condition in which there's slowing along the electrical pathway to your heart's left ventricle. Ejection fraction is a test that's used to determine the percentage of blood that leaves your left ventricle each time your heart beats. A new study of over 2.
Experts say middle-aged people with iron deficiency have a higher risk of heart disease later. You can increase iron levels with diet and supplements. Health Conditions Discover Plan Connect. Medically reviewed by Daniel Murrell, M. What are the symptoms? Causes of an enlarged heart. Who is at increased risk? How is it diagnosed? How is it treated? What are the possible complications? How can you prevent this condition? Read this next. What Is Mild Cardiomegaly?
Medically reviewed by Graham Rogers, M. Medically reviewed by University of Illinois. Congenital Heart Disease. Medically reviewed by Debra Sullivan, Ph. Is Best for Heart Health Experts say there are a number of ways to make it easier to go to bed at a proper time, including when you exercise and when you eat.
Medically reviewed by Dr. Read: Dengue in childhood could expose you to heart attack later. Read: For healthy heart, include pomegranate-date combo in your diet. To lower the risk, cardiologists often prescribe medications designed to reduce the thickness of the heart muscle over time and boost cardiovascular performance. But the finding that in women, the heart muscle tends to shrink or remain the same size means they may not derive the same benefit from such treatments, researchers said.
For the study, researchers analysed MRI scans performed on nearly 3, older adults, ages 54 to 94, without pre-existing heart disease. Participants were followed between and , at six hospitals across the US where each one of them underwent MRI testing at the beginning of the study and once more after a decade. Adding these to the already known density of the muscle, they were able to calculate its weight.
Share Via. The research is published in the journal Radiology. This is known as idiopathic cardiomegaly. A heart condition you're born with congenital , damage from a heart attack or an abnormal heartbeat arrhythmia can cause your heart to enlarge. Other conditions associated with an enlarged heart include:. High blood pressure. Your heart may have to pump harder to deliver blood to the rest of your body, enlarging and thickening the muscle.
High blood pressure can cause the left ventricle to enlarge, causing the heart muscle eventually to weaken. High blood pressure may also enlarge the upper chambers of your heart. You may be at increased risk of developing an enlarged heart if you have any of the following risk factors:. The risk of complications from an enlarged heart depends on the part of the heart that is enlarged and the cause.
Tell your doctor if you have a family history of conditions that can cause an enlarged heart, such as cardiomyopathy. If cardiomyopathy or other heart conditions are diagnosed early, treatments may prevent the disease from worsening. Controlling risk factors for coronary artery disease — tobacco use, high blood pressure, high cholesterol and diabetes — helps to reduce your risk of an enlarged heart and heart failure by reducing your risk of a heart attack.
You can help reduce your chance of developing heart failure by eating a healthy diet and not abusing alcohol or using illicit drugs.
Controlling high blood pressure with diet, exercise and possibly medications also prevents many people who have an enlarged heart from developing heart failure. Mayo Clinic does not endorse companies or products.
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