Brain-heart Interactions in Tako-Tsubo Cardiomyopathy and Cardiac Syndrome X:

Inclusion Criteria

• •Group A. 15 patients with Cardiac X Syndrome (CSX), according to the diagnostic criteria previously proposed by Lanza et al.
• •Group B. 15 patients with Tako-Tsubo Cardiomyopathy (TTC), according to Mayo diagnostic criteria at least 6 months after being hospitalized or diagnosed with TTC.
• •Group C (control group). 15 prospectively enrolled patients with previous Type 1, 4a, 4b myocardial infarction (ST-segment elevation acute myocardial infarction \[STEMI\] and Non ST-segment elevation acute myocardial infarction \[NSTEMI\] acute coronary syndrome \[ACS\] with significant ≥70% coronary stenosis) at least six months after the event.
• •Acute myocardial infarction will be defined according to the third universal definition of myocardial infarction.