It often remains unclear if hf is the cause or consequence of af due to the complexity of the processes that are. The association between af and heart failure was appreciated almost a century ago 10 Atrial fibrillation can precipitate and can be a consequence of heart failure with reduced ejection fraction and cardiomyopathy
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Atrial fibrillation and heart failure, when present together, are associated with worse outcomes.
Managing patients with af and hf is increasingly complex, but there has been significant progress in understanding optimal treatment, particularly for patients with af and heart failure with reduced ejection fraction (hfref).
Learn about the relationship between atrial fibrillation (afib) and heart failure, which commonly occur together and increase the risk for the other. Atrial fibrillation (afib) is a heart rhythm disorder In a typical heart, a group of cells called the sinus node sends electrical signals that start each heartbeat The signals go across the upper heart chambers to the av node, where they usually slow down.
Afib can lead to heart failure in part because the heart is beating so fast or unevenly that it never properly fills up with blood to pump out to the body When the heart doesn’t efficiently pump the blood forward, symptoms develop because: This manifests mechanically as quivering or fibrillation of the atria, resulting in irregular and asynchronous conduction to the ventricles.
