Randomized evaluation of intubation using the AirWay Scope or Macintosh laryngoscope in a manikin simulation

INTERVENTION: At first, trachea intubation with Airway Scope was observed. Later, trachea intubation with a Macintosh type laryngoscope was observed. At first, trachea intubation with a Macintosh type laryngoscope was observed. Later, trachea intubation with Airway Scope was observed. CONDITION: cardiopulmonary arrest, heart failure, pulmonary failure PRIMARY OUTCOME: intubation success SECONDARY OUTCOME: duration of intubation attempts, times of dental trauma INCLUSION CRITERIA: Residents of internal medicine working in National Cardiovasucular Center