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December 1, 1969


JAMA. 1969;210(9):1681-1694. doi:10.1001/jama.1969.03160350005002

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Physicians Explore Cause Of 'Unexplained' Arrhythmias In Intensive Care Units  "Sudden unexplained arrhythmias" in intensive care units usually follow physiological changes that are detectable by the monitoring system, a group of San Francisco investigators report.Closer attention to the patients' pulmonary and respiratory functions could prevent many serious episodes, the investigators said at the American Heart Association meeting in Dallas."If you take over a patient's breathing with a machine, you must also assume responsibility for the same measurements and control which a patient's respiratory center usually provides," said John J. Osborn, MD, senior research scientist at the Institute of Medical Sciences, Pacific Medical Center.Dr. Osborn studied the records of 150 patients treated during a 16-month period in the Cardiopulmonary Intensive Care Ward of Presbyterian Hospital at the center. The records included six cases of sudden ventricular fibrillation and two cases of sudden ventricular tachycardia with shock.Three