Resuscitation
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Randomized Controlled Trial Comparative Study
Performance of an automated external defibrillator during simulated rotor-wing critical care transports.
This study aimed to evaluate whether an automated external defibrillator (AED) was accurate enough to analyze the heart rhythm during a simulated rotor wing critical care transport. We hypothesized that AED analysis of the simulated rhythms during a helicopter flight would result in significant errors (i.e., inappropriate shocks, analysis delay). ⋯ This study suggested that current AEDs could analyze the heart rhythm correctly during simulated helicopter transport. Further studies using an animal model would be needed before applying to patients.
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Induced mild hypothermia after cardiac arrest interferes with clinical assessment of the cardiovascular status of patients. In this situation, non-invasive cardiac output measurement could be useful. Unfortunately, arterial pulse contour is altered by temperature, and the performance of devices using arterial blood pressure contour analysis to derive cardiac output may be insufficient. ⋯ Induced hypothermia was not associated with increased bias or limits of agreement for the comparison of Vigileo and continuous thermodilution, but percentage error was high during normothermia and increased further during hypothermia. Less than 50% of clinically relevant CO changes during hypothermia were concordant.
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Editorial Comment
Prehospital intubation in cardiac arrest: the debate continues.
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Letter Case Reports
Survival after 48 min submersion and 107 min cardiopulmonary resuscitation.