What is described as bigeminy in terms of heart rhythm?

Prepare for the Advanced Dysrhythmias Exam. Study with practice questions and detailed explanations to enhance your understanding of complex arrhythmias. Boost your confidence and get exam-ready!

Bigeminy describes a specific pattern in heart rhythms where a normal heartbeat is followed by a premature contraction, resulting in an alternating sequence of normal and premature complexes. This means that after every regular heartbeat, there is a premature heartbeat, creating a rhythm that can be visually recognized on an electrocardiogram (ECG).

In this context, bigeminy highlights the relationship between the normal heartbeats and the premature ones, with the alternation being a key characteristic of this rhythm disturbance. The definition emphasizes that it is not just a collection of irregular heartbeats but a systematic alternation, which is critical for understanding its clinical implications. Such a pattern can affect the overall efficiency of the heart and might indicate underlying issues that require further investigation.

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