Cardiac magnetic resonance can be crucial for diagnosing postpartum myocarditis when echocardiography is unrevealing, and the condition may respond to steroid therapy.
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CMR may detect postpartum myocarditis missed by echocardiography; this case leaves open steroid efficacy and generalizability.
A pregnant woman with lupus anticoagulant and antiphospholipid syndrome developed atypical hemolysis, elevated liver enzymes, low platelets (HELLP) syndrome requiring preterm delivery. Her postpartum course was marked by persistent fevers eventually found to be secondary to myocarditis. The diagnosis of myocarditis was confirmed by cardiac magnetic resonance but was not apparent on echocardiography. The myocarditis resolved with steroid therapy.
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Marnach et al. (2007) studied this question.
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