منابع مشابه
Apparently Healthy Population
Background. In myocardial infarction patients, heart rate-adjusted QT interval (QT), an electrocardiographic indicator of sympathetic balance, is prognostic for survival. Methods and Results. In a 28-year follow-up, the association between QT, and all-cause, cardiovascular, and ischemic heart disease mortality was studied in a population of 3,091 apparently healthy Dutch civil servants and thei...
متن کاملCalcification of the pericardium in apparently healthy people; electrocardiographic abnormalities found in tracings from apparently healthy persons with calcification of the pericardium.
Case histories are presented of five apparently healthy persons showing pericar(lial (al(ification. Calcium deposits form in the dense pericardial scarring which is responsible for changes in the electrocardiogram. Awareness by the carldiologist of the possibility of pericardial scarring makes him particularly alert to electrocardiograms showing normal QRS complexes with T xvave changes, partic...
متن کاملLower urinary tract symptoms in 1,912 apparently healthy persons of both sexes.
We aimed to evaluate lower urinary tract symptoms (LUTS) in apparently healthy persons of both sexes using the International Prostate Symptom Score (IPSS) and quality of life index (IPSS-QI) as related to aging. A total of 1,912 apparently healthy participants (1,052 women and 860 men) were enrolled in this study. They were informed as to the nature of the study and asked to fill out the IPSS q...
متن کاملInvestigation of Normal Electrocardiographic Indices in 500 Healthy Adult Persons
In all medical centers electrocardiography is one of the first steps in the evaluation of patients suspected of heart disease. It is therefore clear that distinguishing normal from pathologic patterns in electrocardiography is of utmost importance. The aim of this descriptive and analytical study was to determine the normal electrocardiographic indices in all leads and to investigate the influe...
متن کاملPrevalence of cardiomyopathy in apparently healthy cats.
OBJECTIVE To determine the prevalence of cardiomyopathy and the relationship between cardiomyopathy and heart murmurs in apparently healthy cats. DESIGN Cross-sectional study. ANIMALS 103 privately owned, apparently healthy domestic cats. PROCEDURES Cats were physically and echocardiographically examined by 2 investigators independently. Left ventricular wall thickness was determined via ...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1880
ISSN: 0036-8733
DOI: 10.1038/scientificamerican05151880-3631asupp