November 2009

HerzmyasthenieMyasthenia of the Heart

Author Affiliations

Copyright 2009 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.2009

Arch Neurol. 2009;66(11):1322-1323. doi:10.1001/archneurol.2009.231

In 1901, Leopold Laquer from Frankfurt, Germany, described a 30-year-old man with myasthenia gravis (MG) who developed cardiac insufficiency with tachycardia and dyspnea and who had unilateral ptosis, difficulties in deglutition, and weakness of the arms. Dr Laquer believed that the muscular disorder had spread to the heart muscle and coined the term Herzmyasthenie, myasthenia of the heart.1

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