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Rehnberg L, Ashcroft A, Baers JH, Campos F, Cardoso RB, Velho R, Gehrke RD, Dias MKP, Baptista RR, Russomano T. Three methods of manual external chest compressions during microgravity simulation. Aviat Space Environ Med 2014; 85:687–93.

Cardiopulmonary resuscitation (CPR) in microgravity is challenging. There are three single-person CPR techniques that can be performed in microgravity: the Evetts-Russomano (ER), Handstand (HS), and Reverse Bear Hug (RBH). All three methods have been evaluated in parabolic flights, but only the ER method has been shown to be effective in prolonged microgravity simulation. All three methods of CPR have yet to be evaluated using the current 2010 guidelines.

There were 23 male subjects who were recruited to perform simulated terrestrial CPR (+1 Gz) and the three microgravity CPR methods for four sets of external chest …