Key result
Maternal cardiac arrhythmias during pregnancy require careful management, with tolerance of rapid heart rates depending on the presence or absence of underlying structural heart disease.
When managing arrhythmias in pregnant women, distinguishing between those with and without structural heart disease is crucial for assessing decompensation risk.
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Management of maternal arrhythmias in pregnancy should differentiate by structural heart disease; leaves open optimal fetal-safe strategies pending higher-level evidence.
Arrhythmias occurring during pregnancy can cause significant symptoms and even death in mother and fetus. The management of these arrhythmias is complicated by the need to avoid harm to the fetus and neonate. It is useful to classify patients with arrhythmias into those with and without structural heart disease. Those with a primary electrical problem, but an otherwise normal heart, often tolerate rapid heart rates without compromise whereas patients with problems such as rheumatic heart disease, congenital heart disease or cardiomyopathy may quickly decompensate during an arrhythmia.
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Cordina et al. (2010) conducted a review in Maternal cardiac arrhythmias during pregnancy and lactation. Maternal cardiac arrhythmias during pregnancy require careful management, with tolerance of rapid heart rates depending on the presence or absence of underlying structural heart disease.
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