منابع مشابه
comparison of radiological findings of chest x-ray with echocardiography in determination of the heart size
conclusions ctr is the most common method of describing the heart size. increased ctr in cxr is associated with poor prognosis, which is suggestive of importance and necessity of early diagnosis. although cxr may not have the same diagnostic accuracy as echocardiography, its easy accessibility and high specificity in diagnosis of cardiomegaly is very helpful, which can play an important and a c...
متن کاملComparison of Radiological Findings of Chest X-Ray With Echocardiography in Determination of the Heart Size
BACKGROUND Heart size is an important and effective parameter in chest X-ray (CXR) interpretation. Studies indicate that, especially in middle-aged men, increased cardiothoracic ratio (CTR) is associated with ischemic heart disease (IHD) and increased rate of morbidity and mortality. The CXR is the most common imaging examination of the heart. OBJECTIVES A good quality posterior-anterior (PA)...
متن کاملSpleen size in chronic renal failure.
To investigate the cause of clinically detectable splenomegaly, which is common in patients receiving regular haemodialysis, splenic volume was assessed by isotopic scanning using intravenously injected technetium-99m microspheres in 34 controls and 149 patients with chronic renal failure. Of the patients, 16 had never received dialysis, 10 were undergoing continuous peritoneal dialysis, 94 wer...
متن کاملDetermination of the Size of a Trial, Using Lindley’s Method
Extended Abstract. When a new treatment is being considered, trials are carried out to estimate the increase in performance which is likely to result if the new treatment were to replace the treatment in current use. Many authors have looked at this problem and many procedures have been introduced to solve it. An important feature of the analysis in this work is that account is taken of the fac...
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ژورنال
عنوان ژورنال: Gut
سال: 1969
ISSN: 0017-5749
DOI: 10.1136/gut.10.6.433