" Crack the ECG-Code offers a unique concept for the rapid and reliable interpretation of electrocardiograms, particularly in emergency situations. From the physiological basics and normal state over heart rhythm disturbances to heart attacks; electrocardiography is clearly explained and abundantly illustrated. The ECG-Code Cracker decision tree presents clear yes/no alternatives, whose answers lead to an unambiguous diagnosis. An overview of the most important medications for an emergency treatment concludes the diagnostic section. "