Source of Electrocardiographic ST Changes in Subendocardial Ischemia

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Source of electrocardiographic ST changes in subendocardial ischemia.

To clarify the source of electrocardiographic ST depression associated with ischemia, a sheep model of subendocardial ischemia was developed in which simultaneous epicardial and endocardial ST potentials were mapped, and a computer model using the bidomain technique was developed to explain the results. To produce ischemia in different territories of the myocardium in the same animal, the left ...

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Mechanism for ST depression associated with contiguous subendocardial ischemia.

INTRODUCTION A mechanism for ST depression arising on the epicardial surface over the border between normal and ischemic tissue is proposed. Depression is caused by current flowing in a transmural loop that begins and ends at the lateral boundary between healthy and ischemic tissue and passes through the transmural boundary between healthy and ischemic tissue. The result is ST depression at the...

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A Mechanism for ST Depression Associated with Contiguous Subendocardial Ischemia Short title: Mechanism for ST Depression

Mechanism for ST Depression. Introduction: A mechanism is proposed for ST depression that arises on the epicardial surface above the border between normal and ischemic tissue. Depression is caused by current that flows in a transmural loop that begins and ends at the lateral boundary between healthy and ischemic tissue and that passes through the transmural boundary between healthy and ischemic...

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ژورنال

عنوان ژورنال: Circulation Research

سال: 1998

ISSN: 0009-7330,1524-4571

DOI: 10.1161/01.res.82.9.957