Resuscitation
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Immersion in cold water is compatible with long-term survival, even when the period of immersion is relatively long. Guidelines for resuscitation after immersion stress the importance of prolonged resuscitation using advanced life support techniques. ⋯ Members of the emergency services, are failing to both initiate prehospital resuscitation and to continue this to hospital for victims of near drowning. There appears to be potential to reduce the drowning death rate by improving resuscitation. The emergency services and the public should be educated about the need to resuscitate those found in water.
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Comparative Study
Electrocardiographic evaluation of defibrillation shocks delivered to out-of-hospital sudden cardiac arrest patients.
Following out-of-hospital defibrillation attempts, electrocardiographic instability challenges accurate assessment of defibrillation efficacy and post-shock rhythm. Presently, there is no precise definition of defibrillation efficacy in the out-of-hospital setting that is consistently used. The objective of this study was to characterize out-of-hospital cardiac arrest rhythms following low-energy biphasic and high-energy monophasic shocks in order to precisely define defibrillation efficacy and establish uniform criteria for the evaluation of shock performance. ⋯ Defibrillation should uniformly be defined as termination of VF for a minimum of 5-s after shock delivery. Rhythms should be reported at 5-s after shock delivery to assess early effects of the defibrillation shock and at 60-s after shock delivery to assess the interaction of the defibrillation therapy and factors such as post-shock myocardial dysfunction and the patient's underlying cardiac disease.
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To determine if the appointment of a Resuscitation Training Officer improves survival to discharge from in-hospital ventricular fibrillation/pulseless ventricular tachycardia cardiac arrest. ⋯ Appointment of a Resuscitation Training Officer is associated with improved survival to discharge in ventricular fibrillation and ventricular tachycardia in-hospital cardiac arrest.
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Comparative Study
Airway management during cardiopulmonary resuscitation--a comparative study of bag-valve-mask, laryngeal mask airway and combitube in a bench model.
Gastric inflation and subsequent regurgitation are a potential risk of ventilation during cardiopulmonary resuscitation (CPR). In respect of recent investigations, principal respiratory components such as respiratory system compliance, resistance and lower esophageal sphincter pressure were adapted according to CPR situations. The purpose of our study was to assess lung ventilation and gastric inflation when performing ventilation with bag-valve-mask, laryngeal mask airway, and combitube in a bench model simulating an unintubated cardiac arrest patient. ⋯ The time for insertion was significantly faster with both bag-valve-mask and laryngeal mask airway compared with the combitube (median: bag valve mask 22 s, laryngeal mask airway 37 s vs combitube 70 s, P < 0.01). This may tip the scales towards using the laryngeal mask airway during basic life support airway management. In conclusion, our data suggests that both laryngeal mask airway and combitube may be appropriate alternatives for airway management in the first few minutes of CPR.