P-wave complexity in normal subjects and computer models
نویسندگان
چکیده
منابع مشابه
P wave analysis in 2464 orthogonal electrocardiograms from normal subjects and patients with atrial overload.
SUMMARY The purpose of this study was to establish limits of normal for P wave measurements, and to propose criteria for routine electrocardiographic readings and for multivariate analysis to recognize left atrial overload (LAO) and right atrial overload (RAO) in the orthogonal electrocar-diogram (ECG). Frank ECG's were obtained from 2464 subjects, including 580 normals, 164 patients with mitra...
متن کاملChanges in wave reflection with advancing age in normal subjects.
Changes in Wave Reflection With Advancing Age in Normal Subjects To the Editor: From their study of a small selected group (521 of 2640 persons) within the Framingham cohort, Mitchell et al1 conclude that increase in central aortic stiffness rather than wave reflection is responsible for the increase in pulse pressure with advancing age in healthy men and women. The authors state that changes i...
متن کاملAge-related changes in P wave morphology in healthy subjects
BACKGROUND We have previously documented significant differences in orthogonal P wave morphology between patients with and without paroxysmal atrial fibrillation (PAF). However, there exists little data concerning normal P wave morphology. This study was aimed at exploring orthogonal P wave morphology and its variations in healthy subjects. METHODS 120 healthy volunteers were included, evenly...
متن کاملthe effect of task complexity on efl learners’ written task performance in terms of accuracy and complexity
هدف اصلی این تحقیق بررسی تاثیر افزایش میزان پیچیدگی تکالیف مکالمه محور بر دقت و صحت و پیچیدگی عملکرد نوشتاری زبان آموزان می باشد. بدین منظور، 50 نفر از دانش آموزان دختر در رده ی سنی 15 الی 18 سال درسطح pre-intermediate از طریق petو vhs تست به عنوان شرکت کنندگان در تحقیق انتخاب شدند و به دو گروه آزمایشی و کنترل بصورت اتفاقی تقسیم شدند. اعضای گروه آزمایشی دو تکلیف ساده و پیچیده را طی 2 جلسه انجام...
Comparison of phenylalanine and tyrosine in urine of patients with vitiligo and normal subjects
Amino acids are one of the most necessary substances in intracellular metabolic processes.aromatic aminoacids such as phenylalanine and tyrosine are precursor of melanin so are important materials for the skin pigmentation.metabolic disorders in the melanin synthesis causes milky macules on the skin of patients,known as vitiligo.these patients are hypersensitive to sunlight and consequently at ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Electrocardiology
سال: 2016
ISSN: 0022-0736
DOI: 10.1016/j.jelectrocard.2016.05.005