Myocardial Imaging of Patients with Myocardial Infarction: Investigation of diastolic imaging by ECG-gated study

ECG-gated thallium (201Tl) myocardial diastolic imaging and non-gated imaging were performed in 22 patients with myocardial infarction. These patients were separated into 2 groups according to echocardiographic findings; Group A: the patients with left ventricular diastolic diameter of 5.5 cm and ov...

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Bibliographic Details
Published in:RADIOISOTOPES 1986/01/15, Vol.35(1), pp.15-19
Main Authors: BANNO, Kazunori, TOUYAMA, Takasi, OOUTI, Tadayosi, MOURI, Iwao, ENOMOTO, Nobuo, Goto, Junki, YOKOTA, Mitsuhiro
Format: Article
Language:Japanese
Subjects:
Aged
Diastole
ECG-gated image
echocardiogram
Echocardiography
Electrocardiography
Female
Heart - diagnostic imaging
Humans
Male
Middle Aged
myocardial diastolic image
Myocardial Infarction - diagnostic imaging
Radionuclide Imaging
Thallium
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Summary:ECG-gated thallium (201Tl) myocardial diastolic imaging and non-gated imaging were performed in 22 patients with myocardial infarction. These patients were separated into 2 groups according to echocardiographic findings; Group A: the patients with left ventricular diastolic diameter of 5.5 cm and over and left ventricular ejection fraction of 50% and under; Group B: the others. In the patients of Group A, the low perfusion areas could be demonstrated qualitatively and quantitatively by nongated images as well as gated-diastolic images, while in some patients of Group B, low perfusion areas were shown only by gated-diastolic images, which seemed to be useful. The images gated in 100 ms after the peak of R wave in ECG were conformed as diastolic images by echocardiography, and could be obtained within a half or two thirds of the conventional imaging time.
ISSN:0033-8303
1884-4111
DOI:10.3769/radioisotopes.35.15