Why the study?
Does heart rate volatility predict death and prolonged ventilation better than measures of central tendency in ICU trauma patients?
Does heart rate volatility predict death and prolonged ventilation better than measures of central tendency in ICU trauma patients?
Heart rate volatility, rather than mean heart rate, predicts mortality and prolonged ventilation in trauma ICU patients, suggesting its utility as a novel vital sign.
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Heart rate volatility may aid prognostication in trauma ICU patients; hypothesis-generating and requires prospective validation before practice change.
Grogan et al. (2005) studied this question.
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