British journal of anaesthesia
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Since arrhythmia induces irregular pulse waves, it is widely considered to cause flawed oscillometric brachial cuff measurements of blood pressure (BP). However, strong data are lacking. We assessed whether the agreement of oscillometric measurements with intra-arterial measurements is worse during arrhythmia than during regular rhythm. ⋯ Contrary to widespread belief, arrhythmia did not cause flawed automated brachial cuff measurements.