how does hcm cause sudden death?
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It is characterised by hypertrophy of the left ventricular walls ('thick heart muscle'). Sudden cardiac death (SCD) is a relatively common cause of mortality in patients with HCM. It is caused by fatal arrhythmias which can be effectively treated with implantable cardioverter defibrillators (ICDs).”
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The five causes of sudden death discussed in this article are: fatal arrhythmias, acute myocardial infarction, intracranial hemorrhage/massive stroke (cerebrovascular accident), massive pulmonary embolism and acute aortic catastrophe.
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High blood pressure forces your heart to work harder to pump blood to the rest of your body. This causes part of your heart (left ventricle) to thicken. A thickened left ventricle increases your risk of heart attack, heart failure and sudden cardiac death. Heart failure.
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"Stress-induced cardiomyopathy is a known temporary heart condition that causes sudden chest pain and feels like a heart attack,” Arif says, adding that stress and depression have been linked to heart disease and that sudden emotional stress or bad news has been linked to sudden cardiac death as well.
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Their presence may increase the risk for more malignant dysrhythmias such as sustained VT or ventricular fibrillation that can cause sudden cardiac death. PVCs and NSVT can be associated with a reversible tachycardia-induced cardiomyopathy or a primary cardiomyopathy.
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How can atrial fibrillation (AFib) cause cardiomyopathy? ANSWER. AFib makes the ventricles beat faster to push blood out of the heart. Beating too fast for a long time can make the heart muscle too weak to pump enough blood to your body. This is called cardiomyopathy.
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"HCM is widely misperceived as a fatal condition, but a diagnosis of HCM is not a diagnosis of sudden cardiac death. We now have effective treatments to help most patients manage the condition, although it remains the most common cause of sudden death in the young and in competitive athletes," said Bernard J.
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Sudden Cardiac Arrest. Sudden cardiac arrest occurs when the heart suddenly stops beating, which stops oxygen-rich blood from reaching the brain and other organs. A person can die from SCA in minutes if it is not treated right away.
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Too-high blood sugar If glucose levels get too high, for example, it can lead to sudden death. This complication, known as diabetic ketoacidosis, is more common in type 1 diabetes, a condition in which the body cannot make its own insulin.
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The heart's electrical system might not work normally, the heart muscle may not get enough oxygen, and the heart may not pump as well as it should. LVH is linked to an increased risk of other problems, including heart attack, heart failure, stroke, and heart rhythm problems. Treatment can help reduce these risks.
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With tachycardia, the heart beats too quickly, resulting in a heart rate in excess of 100 beats per minute. When the heart beats too fast, it pumps the blood around the body less efficiently and the blood flow is reduced, starving the myocardial cells of oxygen, which could potentially cause heart attack.
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It can cause sudden, uncontrollable, dangerous arrhythmias (ah-RITH-me-ahs) in response to exercise or stress. Arrhythmias are problems with the rate or rhythm of the heartbeat. People who have LQTS also can have arrhythmias for no known reason. However, not everyone who has LQTS has dangerous heart rhythms.
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6, 2004 -- The risk of sudden cardiac death and nonfatal cardiac arrest can be reduced by a type of high blood pressure medication -- angiotensin-converting enzyme (ACE) inhibitors. Past studies have shown that these medications reduce the risk of heart attack and stroke in people with heart disease.
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When your heart is beating too fast, it may not pump enough blood to the rest of your body. This can starve your organs and tissues of oxygen and can cause the following tachycardia-related signs and symptoms: Shortness of breath. Lightheadedness.
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HCM, or hypertrophic cardiomyopathy (or hypertrophic obstructed cardiomyopathy), affects between 1 in 200 and 1 in 300 worldwide. If you have HCM and you are unable to work due to severe symptoms, you might be eligible for Social Security disability benefits in the United States.
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Ventricular fibrillation is the most frequent cause of sudden cardiac death. The condition's rapid, erratic heartbeats cause the heart to abruptly stop pumping blood to the body. The longer the body is deprived of blood, the greater the risk of damage to your brain and other organs. Death can occur within minutes.
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Ventricular tachycardia may last for only a few seconds, or it can last for much longer. You may feel dizzy or short of breath, or have chest pain. Sometimes, ventricular tachycardia can cause your heart to stop (sudden cardiac arrest), which is a life-threatening medical emergency.