Translation:The medics from Magen David Adom know how to perform CPR.
CPR = Cardio-Pulmonary Resuscitation. It's what you do for somebody whose heart has stopped and/or who has stopped breathing, and is essential knowledge for a medic. Is that called something else in other English-speaking countries?
By the way, DL Hebrew is definitely NOT tailored to Americans. They often insist on phrases that might (or might not) make sense in Britain, but would never be used in North America.