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Sinoatrial arrest is a medical condition wherein the sinoatrial node of the heart transiently ceases to generate the electrical impulses that normally stimulate the myocardial tissues to contract and thus the heart to beat. It is defined as lasting from 2.0 seconds to several minutes. [1]
In 2021, the American Heart Association clarified that "heart attack" is often mistakenly used to describe cardiac arrest. While a heart attack refers to death of heart muscle tissue as a result of blood supply loss, cardiac arrest is caused when the heart's electrical system malfunctions. Furthermore, the American Heart Association explains ...
Left atrial enlargement (LAE) or left atrial dilation refers to enlargement of the left atrium (LA) of the heart, and is a form of cardiomegaly. Signs and symptoms
Calling before a heart attack becomes cardiac arrest requires knowing the signs and symptoms. If you have any of these signs, call 911 right away: Uncomfortable pressure, squeezing, fullness or ...
The current American Heart Association (AHA) definition divides cardiomyopathies into primary, which affect the heart alone, and secondary, which are the result of illness affecting other parts of the body. These categories are further broken down into subgroups which incorporate new genetic and molecular biology knowledge.
Dilated cardiomyopathy (DCM) – Cardiomyopathy caused by dilation of the heart, typically caused by "drugs and bugs." It is the most common form of non-ischemic cardiomyopathy and the dilatation of the heart results in larger chamber volumes & thinner myocardial walls, both of which decrease the ability to pump.
It is also important to control heart disease risk factors including diabetes, high cholesterol, and high blood pressure. Exercise, pregnancy, and prior health conditions like ASD II can also promote cardiac remodeling, so routine primary care visits are important to distinguish between physiological and pathological atrial enlargement.
Dilated cardiomyopathy (DCM) is a condition in which the heart becomes enlarged and cannot pump blood effectively. [3] Symptoms vary from none to feeling tired, leg swelling , and shortness of breath . [ 2 ]