CNRI / SCIENCE PHOTO LIBRARY CNRI / SCIENCE PHOTO LIBRARY
Inflamed heart muscle. Light micrograph of a section through heart tissue in myocarditis (heart muscle inflammation). The most common cause is a viral infection. Symptoms may include fever, fatigue and chest pain, and irregularities in the heartbeat. Most cases are not diagnosed and they resolve spontaneously without treatment. When the condition is diagnosed, treatment will be of the symptoms, including monitoring of the heartbeat and, if necessary, the fitting of a pacemaker to regulate the heartbeat. In severe cases, a heart transplant may be required. Magnification unknown.
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