Acute Mitral Regurgitation in Suspected Acute Coronary Syndrome: What Is the Cause?

Patients presenting with acute chest pain and suspected acute coronary syndrome (ACS) who have nonobstructive coronary disease on angiography, but new regional wall motion abnormalities are often diagnosed with takotsubo cardiomyopathy (TTC). The cause of TTC is often physical or emotional stress, and this clinical syndrome occurs more often in women than men. When hemodynamically significant mitral regurgitation (MR) accompanies TTC, the …