In this guidebook, outdoor and survival expert Johannes Vogel provides basic knowledge on human physiology as well as medical technology and explains the most important, common and treatable diseases, injuries and health hazards in extreme situations with limited resources. Tips on preparing a tour, improvising important instruments and treating the most common emergencies prepare for the emergency. In the revised new edition of this successful title, the resuscitation guidelines are adapted to the current 2015 recommendations of the AHA (American Heart Association).