Let's remember the basics. 5 questions about the heart muscle Meet the weekly quiz from the "Doctors of the Russian Federation" community and the "RLS" reference system! We suggest answering 5 short questions to refresh your knowledge. This time we will discuss focal or diffuse inflammation of the heart muscle caused by infectious, toxic or allergic effects - the heart muscle. One question from the quiz as a start "Doctors of the Russian Federation" in MAX I VK Radar in Max.