Rev Esp Cardiol
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To investigate negative contractile responses in the left ventricle during low-dose dobutamine (LDD) gated single-photon emission computed tomography (SPECT) in patients with ischemic cardiomyopathy. ⋯ A negative contractile reserve was not uncommon in patients with ischemic cardiomyopathy and was associated with a general decrease in left ventricular systolic function. It was observed mainly in myocardial segments that appeared viable on scintigraphy and were supplied by a patent coronary artery.
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This article contains a review of some of the most important studies in the field of arrhythmias and cardiac electrophysiology that have been reported in publications during the last year. They were selected because of their clinical relevance and because they made a positive contribution to the continuing technological development of the invasive procedures used in cardiac electrophysiology.
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Letter Case Reports
Iatrogenic tako-tsubo cardiomyopathy secondary to catecholamine administration.