| Autor: |
R S, Navickas, S J, Kinduris, R I, Kastanauskas |
| Rok vydání: |
1987 |
| Předmět: |
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| Zdroj: |
Cor et vasa. 29(3) |
| ISSN: |
0010-8650 |
| Popis: |
15 patients with intact coronary arteries (control group) and 49 patients with coronary stenosis were for the purpose of differential diagnosis of ischaemic heart disease [IHD] subjected to coronarography, left ventriculography and transesophageal atrial pacing. The possibility of using the sum R wave amplitude as a criterion of IHD was assessed, as well as the relation between the R wave amplitude and the left ventricular function indicators--the ejection fraction and the end-diastolic volume. It was found that the increase of the R wave amplitude has distinctly lower specificity (40%) and sensitivity (29%) than the ischaemic depression of the ST segment (73 and 74% respectively). No correlation was found between R wave amplitude changes and indicators of the left ventricular function. The increase in the R wave amplitude cannot be therefore regarded as a reliable criterion of IHD and is not a reflection of the functional state of the left ventricle. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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