These levels of variability are considerably lower than those previously reported in hospital based studies of adult asthmatics. As a method of demonstrating variable airflow obstruction, which is the defining physiological characteristic of asthma, the use of a peak flow diary alone appears to be ...
Peak flow chart diary How to use a peak flow meter? A peak flow meter is a simple hand-held device. Most people are perfectly fine using it at home if their health provider gave them instructions before. As in peak expiratory flow, we need to measure the maximum speed of the air, so...
All children had peak-flow measurements three times a day for a 1-month period. The parents of the children completed a diary in which respiratory symptoms and medication use were recorded daily for the same period. Dust samples were taken from classroom floors, living-room and bedroom floors,...
The advantage of this measurement is that it can be made with simple apparatus – where the subject blows against a paddle or propeller which records flow. Although not precise this has been found to be a useful domiciliary measurement in asthma with the patient keeping a diary of his ...
Objective Previous asthma diary studies have yielded equivocal findings on concurrent associations between lung function and mood, and prospective associat... DW Steptoe - 《Journal of Psychosomatic Research》 被引量: 14发表: 2010年 Asthma in schoolchildren. Demographic associations and peak expiratory ...
Peak expiratory flow (PEF) is a measure commonly used in clinical practice and research for respiratory diseases such as asthma. In research, PEF is usually recorded in a diary for a 2-week period with two or more measurements per day. Interest may lie in whether certain groups of ...
Peak expiratory flow (PEF) is a measure commonly used in clinical practice and research for respiratory diseases such as asthma. In research, PEF is usually recorded in a diary for a 2-week period with two or more measurements per day. Interest may lie in whether certain groups of ...