What is an arrhythmia?

Study for the Heart Physiology Exam. Review key concepts with multiple-choice questions and detailed explanations. Get ready to ace your test!

An arrhythmia is defined as an abnormal heart rhythm. This condition refers to any irregularity in the heart's rhythm, which can manifest in various ways, such as a heartbeat that is too fast (tachycardia), too slow (bradycardia), or follows an irregular pattern. The heart relies on a carefully coordinated electrical signaling system to maintain a normal rhythm, and disruptions in this system can lead to arrhythmias.

Understanding arrhythmias is crucial because they can affect the heart's ability to pump blood effectively and can lead to symptoms ranging from palpitations to more severe complications like stroke or heart failure. Recognizing that an arrhythmia is not a normal heart rhythm underscores the importance of monitoring and, when necessary, treating this condition to maintain overall cardiovascular health.

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