Cardiac Arrhythmias During Postural Drainage and Chest Percussion of Critically Ill Patients* Willy E. llanwwn, B.Sc., P.T;t Alfred I

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I. The effect postural drainage and chest percussion on systolic BP (top left), diastolic BP (top right), HR (bottom left), and respiratory rate (bottom right) is shown for patients with no arrhythmias (none) and for patients with minor or major arrhythmias. The four study positions are indicated on the x axis: (I) baseline, reclining at 30• for 15 min; (2) postural drainage alone, IO" Trendelenburg position for 5 min; (3) chest percussion for 10 min; and (4) return to baseline, reclining at 30" for 30 min. The asterisk indicates a significant difference (p