Myocarditis is broadly but nonspecifically defined as inflammation of the heart muscle and is most frequently characterized pathologically by focal infiltration of the myocardium by lymphocytes, plasma cells, and histiocytes. Varying amounts of myocytolysis and destruction of the interstitial reticulin network are also seen. 14 The pathologic changes have been ascribed to a number of infectious agents ( Table.. ..5.1-5), some of which involve the myocardium secondarily as part of a systemic disease process. Myocarditis is frequently accompanied by pericarditis.

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Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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