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Atrial fibrillation is associated with an increased risk of heart failure, dementia, and stroke. [3] [12] It is a type of supraventricular tachycardia. [14] Atrial fibrillation frequently results from bursts of tachycardia that originate in muscle bundles extending from the atrium to the pulmonary veins. [15]
The left atrial appendage is a pouch-like structure located in the upper part of the left atrium. [1] Left atrial appendage occlusion (LAAO) is an alternative therapy to oral anticoagulation in a certain subset of patients with atrial fibrillation. Atrial fibrillation is characterized by an irregular and uncoordinated pumping function of the atria.
This rhythm is most commonly seen in elderly people with COPD. [20] Atrial fibrillation: Red dots show atrial fibrillation activity. Atrial fibrillation meets the definition of SVT when associated with a ventricular response greater than 100 beats per minute. It is characterized as an "irregularly, irregular rhythm" both in its atrial and ...
Atrial fibrillation, other cardiac arrhythmias, or sudden cardiac death [5] Heart failure can develop insidiously over time or patients can present acutely with acute heart failure or acute decompensated heart failure and pulmonary edema due to sudden failure of pump function of the heart.
The causes, prevention, and/or treatment of all forms of cardiovascular disease remain active fields of biomedical research, with hundreds of scientific studies being published on a weekly basis. Recent areas of research include the link between inflammation and atherosclerosis [ 200 ] the potential for novel therapeutic interventions, [ 201 ...
HCM can be distinguished from other inherited causes of cardiomyopathy by its autosomal dominant pattern, whereas Fabry disease is X-linked, and Friedreich's ataxia is inherited in an autosomal recessive pattern. [10] Treatment may depend on symptoms and other risk factors. Medications may include the use of beta blockers, verapamil or ...