We admire their dedication. We rely on their training and expertise. And when everything is on the line they are the difference between life and death. The life of an EMT is filled with long hours of sudden, unexpected challenges. Giving anything less than 100% endangers the lives of people who have placed their trust in your hands, people who may be only moments away from death. In The First Line of Defense, Tate Yohe pulls back the curtain on this demanding and exciting world, showing its risks, its rewards, its tragedies, and the hard work it takes to succeed.