Figure 94-35d

Ventricular parasystole.
The strips are continuous. Note that (1) the interval between an ectopic beat and the preceding sinus beat varies; (2 )the interectopic intervals all have a common denominator of 0.90 to 0.95s; and (3) there are occasional fusion beats (third beat in top strip; fourth beat in second strip;last beat in bottom strip).

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