This medical study features a photo that either clarifies matters or confuses them: “A novel method to decrease mattress compression during CPR using a mattress compression cover and a vacuum pump,” Jaehoon Oh, Youngjoon Chee, Yeongtak Song, Taeho Lim, Hyunggoo Kang, Youngsuk Cho, Resuscitation, epub 2012. The authors, at Hanyang University in Seoul and at […]