Myocarditis is inflammation of the heart muscle, & is often
associated with muscle inflammation in other parts of the body.
Symptoms may include:
fatigue or weakness
rapid heartbeat, known as tachycardia
palpitations (an unusual awareness of the heartbeat)
arrhythmias (or abnormal heartbeats)
heart murmurs (abnormal heart sounds)
shortness of breath
Infections, particularly viruses, can induce myocarditis.
It can be diagnosed by ECG, chest x-ray, echocardiogram, blood
cultures to check for infection in the blood, or a biopsy of the
Often this condition is silent, causing few or no symptoms, and
goes away on its own. It is treated using steroids or cytotoxic
drugs. If infection is present antibiotics are used.
It is uncommon in SLE.