منابع مشابه
Assessment of avian osteoporosis by a quantitative radiographic method
The aim of this study was to develop a quantitative radiographic method for assessment of experimentalosteoporosis in Leghorn breed laying hens. Three groups of 24 Leghorn pullets were reared in cage and fed aration containing different calcium levels, including 3.55, 2.075 and 0.6 percent (for groups 1-3, respectively). The hens were fed this diet from 17 weeks of age to the end of the experim...
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BACKGROUND Measurements of parameters from electrocardiograms (ECGs) are still largely performed from paper ECG records. Recent guidelines from regulatory agencies and, in particular, the requirement of the Food and Drug Administration to enforce the digital submission of annotated ECGs have triggered significant efforts in the pharmaceutical industry, which, to comply with the new guidelines, ...
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Stations are the main components of the subway systems. Despite the progress in the construction and maintenance, stations have always been exposed to the natural and man-made disasters. In such incidents, the station’s evacuation capability has a direct relation with a passenger's life. Various factors affect the station's evacuation capability. Investigation of these factors and evaluation of...
متن کاملA Method for Evaluating Computer Programs for Electrocardiographic Interpretation
A previously described method for evaluating computer programs for electrocardiographic (ECG) interpretation was applied to Version D of the Public Health Service (PHS) program and to the Mayo Clinic program of 1968. Staff cardiologists found agreement with the results of the PHS program in 45.5% of 1150 unselected tracings. Clinically significant disagreements based strictly on application of ...
متن کاملA method for the electrocardiographic recognition of atrial enlargement.
New criteria for the electrocardiographic recognition of right atrial enlargement, left atrial enlargement, and combined atrial enlargement were studied in 110 patients with congenital and acquired heart disease. Precise physiologic data weife available in all cases. The method of analysis was designed for application to conventional scalar electrocardiography and hence can be used without modi...
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ژورنال
عنوان ژورنال: Heart
سال: 1945
ISSN: 1355-6037
DOI: 10.1136/hrt.7.4.173