European Resuscitation Council (ERC) Guidelines for Resuscitation 2010 emphasize high quality chest compressions .They propose minor changes for pregnant women: manual left deviation of the uterus or a left-lateral incline of 15-30to alleviate pressure on the inferior vena cava. We will examine the performance of the Glidescope (GVL), the Pentax-AWS Airwayscope(AWS) and Macintosh laryngoscope (McL) for airway management during chest compressions on 15 and 30 degree left-lateral tilt (15 \&30 LLT) custom-made hard wedges.
Materials 1. Sim Mom manikin (Laerdal, Stavanger, Norway) 2. Stryker ST104-747(Transport stretcher®, 760 x 2110 mm, 228 kg, Stryker Co., Kalamazoo, Michigan, US) 3. LUCAS Chest Compression System( LUCAS Chest Compression System, Physio-Control/Jolife AB) 4. Backboard(450 ×600 ×10 mm, 3 kg Lifeline Plastic, Sung Shim Medical Co., Bucheon, Korea)
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
SINGLE
Enrollment
19
The wedges are made of aluminium
The wedges are made of aluminium
Hanyang University Seoul Hospital
Seoul, South Korea
Time to intubation
We will check the times from inserting blade to mouth to exposing vocal cord and from exposing vocal cord to first ambu-bagging.
Time frame: 1day
Success rate of intubation
Definition of failed intubation * Time to intubation is longer than 90 seconds. * Wrong placement of endotracheal tube (For example : Esophageal intubation etc.)
Time frame: 1day
Laryngeal View during intubation
We will record the best laryngeal View during intubation. We will record according to the Cormack-Lehane Grade system.
Time frame: 1day
The preference for laryngoscopes
1. The preference for laryngoscope regardless of tilting degree of wedges 2. The preference for laryngoscope in 15 degree left-lateral tilt situation . 3. The preference for laryngoscope in 30 degree left-lateral tilt situation . (Participants will select only 1 of 3 laryngoscopes and the preference will be displayed as histogram)
Time frame: 1day
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