نتایج جستجو برای: fundus pressure

تعداد نتایج: 416073  

Journal: :نشریه پرستاری ایران 0
فریده پارسائی farydeh parsaie اکرم نجف یارندی ملک تاج مشک بید حقیقی محمود محمودی

this is a semi experimental survey with the main goal of identifying effects of the use of fundal pressure in causing complication from the time of the woman,s entrance into the delivery room to the time of discharge from the hospital.   210 women took part in this survey, 70 of which were in the research and 140 in the observed group. the necessary data about the subject of the study were gath...

Journal: :British Journal of Ophthalmology 1975

Journal: :The British journal of ophthalmology 1975
K C Nagpal M F Goldberg G Asdourian M Goldbaum F Huamonte

Seven black patients had dark brown homogeneous geographical areas of the fundus. Six cases were associated with sickle cell haemoglobinopathies and one was associated with systemic hypertension. These flat lesions were uniform in colour and occurred in the posterior pole or in the midperiphery. They appeared to be transient and often disappeared leaving no residue. The cause is unknown. By ana...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2008
Mark Niedringhaus Patrick G Jackson Stephen R T Evans Joseph G Verbalis Richard A Gillis Niaz Sahibzada

The sphincter mechanism at the esophagogastric junction includes smooth muscle of the lower esophagus and skeletal muscle of the crural diaphragm (CD). Smooth muscle is known to be under the control of the dorsal motor nucleus of the vagus (DMV), while central nervous system (CNS) control of the CD is unknown. The main purposes of our study were to determine the CNS site that controls the CD an...

Journal: :American journal of physiology. Gastrointestinal and liver physiology 2014
Nora Schaub Kee Ng Paul Kuo Qasim Aziz Daniel Sifrim

Nausea is the subjective unpleasant sensation that immediately precedes vomiting. Studies using barostats suggest that gastric fundus and lower esophageal sphincter (LES) relaxation precede vomiting. Unlike barostat, high-resolution manometry allows less invasive, detailed measurements of fundus pressure (FP) and axial movement of the gastroesophageal junction (GEJ). Nausea was induced in 12 he...

Journal: :Kathmandu University medical journal 2003
K J Karki

A prospective, hospital based, clinical study was conducted in hypertensive patients referred to the eye OPD, KMCTH, Sinamangal during a period of three months to find out the incidence of fundus changes. A total of 302 hypertensive patients were included in the study and their fundus changes were evaluated by direct ophthalmoscopy. The age of the patients ranged from 30-70 years and the durati...

Journal: :Transactions of the American Ophthalmological Society 2006
Barbara E K Klein Ronald Klein Kristine E Lee Carol J Hoyer

PURPOSE To investigate whether age influences optic disc cupping in addition to the effects of intraocular pressure (IOP). METHODS Population-based study (N = 4,926 at baseline). All measures including fundus photography were done according to standard protocols. Stereoscopic images of the optic disc were graded in masked fashion. RESULTS Cup-to-disc ratios (C/D) were directly related to IO...

2008
Luigi Rovati Stefano Cattini Francesco Viola Giovanni Staurenghi

The study is focused on the analysis of the diffusing-wave-spectroscopy signal recorded invivo on the ocular fundus of a rabbit eye. The motion of the scattered sites was measured as a function of the pressure exerted by a Goldmann contact lens and during the moderate temperature increase induced by a therapeutic laser diode. Temporal fluctuations of the signal revel motion of molecules and thu...

Journal: :Chang Gung medical journal 2003
Yi-Hao Chen Hsi-Kung Kuo Min-Lun Kao

BACKGROUND We attempted to review the clinical and fundus findings in patients with malignant hypertension (MHT). METHODS Charts and fundus photographs of patients with malignant hypertensive retinopathy from 1995 to 2000 were retrospectively reviewed. Data of patients were included when their color fundus photographs revealed findings suggestive of malignant hypertension (MHT). There had to ...

Journal: :Neurology 2013
Jason Appleton David Nicholl

OBJECTIVES Determine the frequency of and the predictive factors for abnormal ocular fundus findings among emergency department (ED) headache patients. METHODS Cross-sectional study of prospectively enrolled adult patients presenting to our ED with a chief complaint of headache. Ocular fundus photographs were obtained using a nonmydriatic fundus camera that does not require pupillary dilation...

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