Excessive premature atrial contractions (PACs) have been shown to result in atrial fibrillation, stroke and death, while excessive premature ventricular contractions (PVCs) have been shown to result in increased heart failure, coronary artery disease and death.

Researchers analysed 1,388 randomly selected participants. Of the total participants, 840 (61 percent) consumed more than one caffeinated product daily.

The researchers found no differences in the number of PACs or PVCs per hour across levels of coffee, tea and chocolate consumption.

More frequent consumption of these products was not associated with extra heartbeats.

Recent growing evidence indicates the potential cardiovascular benefits of several common caffeinated products such as coffee, chocolate and tea.

The result is uncertainty in counselling patients on consumption of these products, with patients possibly reducing their intake to avoid presumed cardiac issues.


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