Resuscitation
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This case report describes difficulty with ventilation because of valve-like upper airway obstruction by aryepiglottic folds after uncomplicated insertion of a Combitube in a 30-year-old female patient. After correct (oesophageal) placement increased ventilation pressures occurred and a fibreoptic device was used to investigate the cause. ⋯ After removal of the Combitube and mask ventilation no valve mechanism was seen. This effect appeared to be due to an increased air stream caused by the obstruction of seven out of eight Combitube perforations.
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The chance of survival from ventricular fibrillation (VF) is up to ten times higher than those with other cardiac arrest rhythms. To calculate the effect of out-of-hospital resuscitation organisations on survival, it is necessary to know the percentage of cardiac arrest patients initially in VF and the relationship between delay time to defibrillation and survival. ⋯ This study suggests a high initial incidence of VF among out-of-hospital cardiac arrest patients and a slow rate of transformation into a non-shockable rhythm. The survival rate with very short delay times to defibrillation was approximately 50%, but decreased rapidly as the delay increased.
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Case Reports Biography Historical Article
The resuscitation greats. Claude Beck and ventricular defibrillation.