Exercise-Induced Ventricular Arrhythmias (EIVA) may be encountered during or after exercise. These are important to identify since their occurrence is associated with increased mortality.
Criteria for EIVA - occurrence during exercise or recovery of one or both of the following:
(1) run of >= 3 consecutive premature ventricular contractions (PVCs) at any time
(2) PVCs constituting > 10% of all ventricular depolarizations during any 30 seconds
PVCs as percent of all ventricular depoalrizations =
= (number of PVCs during a 30 second recording) / (total number of ventricular depolarizations during a 30 second recording) * 100%
EIVAs are associated with:
(1) older age
(2) cardiopulmonary disease
(3) exercise-induced ischemia
(4) resting PVCs
A patient with EIVA is a candidate for interventions to prevent cardiovascular disease.
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