PREMATURE VENTRICULAR CONTRACTIONS
\pɹɪmət͡ʃˈʊ͡ə vɛntɹˈɪkjʊlə kəntɹˈakʃənz], \pɹɪmətʃˈʊə vɛntɹˈɪkjʊlə kəntɹˈakʃənz], \p_ɹ_ɪ_m_ə_tʃ_ˈʊə v_ɛ_n_t_ɹ_ˈɪ_k_j_ʊ_l_ə k_ə_n_t_ɹ_ˈa_k_ʃ_ə_n_z]\
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Premature contractions of the ventricle, the most common of all arrhythmias. In the absence of heart disease, they are not of great clinical significance, but in patients with coronary disease, they represent a constant danger of ventricular tachycardia or fibrillation and sudden death. The longer-term prognosis for asymptomatic, healthy subjects with frequent and complex ectopy is similar to that for the healthy United States population. (From Sokolow, et al., Clinical Cardiology, 5th ed, p491)
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