The majority of patients with acute type A aortic dissection present with aortic diameters <5.5 cm and thus do not fall within current guidelines for elective ascending aortic replacement. Methods other than size measurement of the ascending aorta are needed to identify patients at risk for dissection. Aggressive medical management of patients with ascending aortic diameters over 4 cm is warranted. Preventative replacement of the ascending aorta at 4.5 cm should be considered especially at high volume aortic surgery centers and patients having cardiac surgery for other indications.
A short course in simulation-based life-saving clinical skills is an effective means to teach the third year medical students. We observed a decline in competency over time for recognition of ventricular fibrillation, defibrillation, airway management, and management of a choking child. Cardiopulmonary resuscitation and automatic external defibrillator competency did not decrease over time.
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