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Amyloid cardiomyopathy (stiff heart syndrome) [5] is a condition resulting in the death of part of the myocardium (heart muscle). It is associated with the systemic production and release of many amyloidogenic proteins , especially immunoglobulin light chain or transthyretin (TTR). [ 6 ]
Amyloid, a misfolded and insoluble protein, can become a deposit in the heart's atria, valves, or ventricles. These deposits can cause thickening of different sections of the heart, leading to decreased cardiac function. [1] The overall decrease in cardiac function leads to a plethora of symptoms. [2]
An increase in arterial stiffness also increases the load on the heart, since it has to perform more work to maintain the stroke volume. Over time, this increased workload may cause left ventricular hypertrophy and left ventricular remodelling, which can lead to heart failure. [25]
They only find out they have a heart condition after experiencing a heart attack or heart failure, or when heart disease is diagnosed on a test like an echocardiogram or cardiac stress test.
Heart attacks can be fatal, but they do not automatically lead to death. Immediate emergency medical help can often prevent a serious outcome. “If you think someone is having an heart attack ...
Rhythmicity and contractility of the heart may be normal, but the stiff walls of the heart chambers (atria and ventricles) keep them from adequately filling, reducing preload and end-diastolic volume. Thus, blood flow is reduced, and blood volume that would normally enter the heart is backed up in the circulatory system.
"Heart attacks only happen to men." "They only affect older people." "Chest pain is the most common symptom.": These are misconceptions about heart attacks that doctors say they hear every day ...
Cardiomyopathy is a group of primary diseases of the heart muscle. [1] Early on there may be few or no symptoms. [1] As the disease worsens, shortness of breath, feeling tired, and swelling of the legs may occur, due to the onset of heart failure. [1]
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