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EMS providers are taught to administer artificial ventilations over one second and often learn the hard way that overly aggressive ventilation with a bag-valve mask (BVM) causes air to accumulate in and pressurize the stomach. This presents as an eruption of vomit that makes managing the airway that much more difficult. So how do you learn what amount of ventilatory pressure inflates the lungs but keeps air out of the patient's stomach? The newVentlab Ventilation Trainer offers an easy-to-understand demonstration. The trainer uses corrugated tubing to represent the trachea and esophagus, a test lung to represent the lungs, a collapsible plastic bag to represent the stomach, and a CPAP valve set to 20 cm HO to represent the opening pressure of the cardiac sphincter in an unconscious person. When you connect the BVM to the system and squeeze too fast, the air enters the lungs and the stomach. When you slow the speed of ventilation, the air expands the lungs but doesn't enter the stomach. Available exclusively from Tri-anim, the kit also includes two Air Flow BVMs (featured in Hands On, February 2007JEMS) and a carrying bag.
VITALS
Cost: $138
800/TRI-ANIM (874-2646)
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