„Ex oriente lux” Congratulations to the authors of this first textbook focusing on the new, emerging field of telecardiology. This textbook is a very important step to spread more knowledge to clinical cardiologists – from the basics to practical issues of this new facet of digital cardiology. For me it is not a surprise that this important textbook was written and published in Poland first. Pioneer work in the field, e.g. the TELEREH-HF trial, was performed in a nati...