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  2. Premature ventricular contraction - Wikipedia

    en.wikipedia.org/wiki/Premature_ventricular...

    PVCs can be distinguished from premature atrial contractions because the compensatory pause is longer following premature ventricular contractions, in addition to a difference in QRS appearance. [20] In some people, PVCs occur in a predictable pattern. Two PVCs in a row are called doublets and three PVCs in a rows are triplets.

  3. Bigeminy - Wikipedia

    en.wikipedia.org/wiki/Bigeminy

    When the atrial rhythm is irregular (as in atrial fibrillation or sinus arrhythmia) the presence of bigeminy depends on the length of the P–P interval and happens more frequently with a longer interval. As with post PVC pauses, a longer P–P interval leads to a higher chance of re-entrant circuits and thus PVCs.

  4. Re-entry ventricular arrhythmia - Wikipedia

    en.wikipedia.org/wiki/Re-entry_ventricular...

    Re-entry is divided into two major types: [Anatomically Defined] re-entry and [Functionally Defined] re-entry. The circus movement can occur around an anatomical or functional core. Either type may occur alone, or together. [citation needed] Anatomically defined re-entry has a fixed anatomic pathway. Anomalous conduction via accessory pathways ...

  5. Concealed conduction - Wikipedia

    en.wikipedia.org/wiki/Concealed_conduction

    Hence, the P-R interval after the PVC is longer than the baseline P-R interval. [ citation needed ] Concealed conduction can be seen in cardiac aberrancy when a bundle branch temporarily blocks due to being refractory, and conduction from the other bundle branch conceals into the blocked branch retrograde thus perpetuation the bundle branch ...

  6. Ectopic beat - Wikipedia

    en.wikipedia.org/wiki/Ectopic_beat

    Ectopic beat is a disturbance of the cardiac rhythm frequently related to the electrical conduction system of the heart, in which beats arise from fibers or group of fibers outside the region in the heart muscle ordinarily responsible for impulse formation (i.e., the sinoatrial node).

  7. Best cutting-edge health and fitness tech from CES 2025 - AOL

    www.aol.com/news/best-cutting-edge-health...

    A standout feature of the Circular Ring 2 is its FDA-approved atrial fibrillation detection algorithm, which marks the first such certification in the smart ring market.

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