Acute respiratory tract infection</span><span style="font-family:""><span style="font-family:Verdana;"> (ARTI) in children is the most common infectious disease in childhood,...Acute respiratory tract infection</span><span style="font-family:""><span style="font-family:Verdana;"> (ARTI) in children is the most common infectious disease in childhood, and its pathogens include viruses, bacteria and fungi, mycoplasma, chlamydia and rickettsia. In recent years, with the continuous development of pathogen detection methods, the diagnosis and treatment of acute respiratory infections has received more and more clinical attention. The clinical diagnosis and treatment characteristics of acute respira</span><span style="font-family:Verdana;">tory infections in children and the research of clinical laboratory detection </span><span style="font-family:Verdana;">methods have also been continuously developed. The author collected refer</span><span style="font-family:Verdana;">ences to review the clinical features and new developments in laboratory</span><span style="font-family:Verdana;"> testing of acute respiratory tract infection in children.展开更多
In six healthy male subjects, the changes of respiratory airflow rate and heart rate were de-termined in sensory units of five just noticeable difference （JND） steps caused by inspiratory resistive （IR） loads rang...In six healthy male subjects, the changes of respiratory airflow rate and heart rate were de-termined in sensory units of five just noticeable difference （JND） steps caused by inspiratory resistive （IR） loads ranging 0.28-1. 62 kPa.L<sup>-1</sup> s and physical stimuli in IR corresponding to JND steps andcombined resistance （CR） of different ratios equivalent to 2, 4 JND sensation at rest and duringmild and moderate muscular exercises (250 and 500 kgm·min<sup>-1</sup>) performed on a bicycle ergometer.The results suggest that the tendency of effects on respiratory pattern, within the test range of IRloads, are approximately consistent at rest and during mild and moderate exercise, that when theCR load is carried, the changes of respiratory pattern at rest and during mild exercise are similar,but more apparently during moderate exercise, and that the heart rote only increases with the rise ofexertion intensity, without apparent influence of resistive loads.展开更多
Breathing is considered the common factor that links studying,sleeping,and activities.It is one of the primary indicators that is frequently considered when determining whether or not an unconscious individual is stil...Breathing is considered the common factor that links studying,sleeping,and activities.It is one of the primary indicators that is frequently considered when determining whether or not an unconscious individual is still alive.The evolution and development process of the respiratory system that occurs in a foetus is primarily from head to tail(cephalocaudal).Many changes occur throughout this period until the 28th week of pregnancy at which the foetus^respiratory system will attain adequate development for the rest of his or her life.The respiratory system comprises of the lungs and the encompassing thoracic wall,which includes the thoracic cages,midriff(diaphragm),and the abdominal wall.Spirometry is a procedure used for estimating air volumes that enter and exit the pulmonary system with the aid of a spirometer.The various pulmonary parameters that reflect pulmonary ventilation are of great significance in diagnosing respiratory diseases.The respiratory system will be discussed in more detail in this article.展开更多
文摘Acute respiratory tract infection</span><span style="font-family:""><span style="font-family:Verdana;"> (ARTI) in children is the most common infectious disease in childhood, and its pathogens include viruses, bacteria and fungi, mycoplasma, chlamydia and rickettsia. In recent years, with the continuous development of pathogen detection methods, the diagnosis and treatment of acute respiratory infections has received more and more clinical attention. The clinical diagnosis and treatment characteristics of acute respira</span><span style="font-family:Verdana;">tory infections in children and the research of clinical laboratory detection </span><span style="font-family:Verdana;">methods have also been continuously developed. The author collected refer</span><span style="font-family:Verdana;">ences to review the clinical features and new developments in laboratory</span><span style="font-family:Verdana;"> testing of acute respiratory tract infection in children.
文摘In six healthy male subjects, the changes of respiratory airflow rate and heart rate were de-termined in sensory units of five just noticeable difference （JND） steps caused by inspiratory resistive （IR） loads ranging 0.28-1. 62 kPa.L<sup>-1</sup> s and physical stimuli in IR corresponding to JND steps andcombined resistance （CR） of different ratios equivalent to 2, 4 JND sensation at rest and duringmild and moderate muscular exercises (250 and 500 kgm·min<sup>-1</sup>) performed on a bicycle ergometer.The results suggest that the tendency of effects on respiratory pattern, within the test range of IRloads, are approximately consistent at rest and during mild and moderate exercise, that when theCR load is carried, the changes of respiratory pattern at rest and during mild exercise are similar,but more apparently during moderate exercise, and that the heart rote only increases with the rise ofexertion intensity, without apparent influence of resistive loads.
文摘Breathing is considered the common factor that links studying,sleeping,and activities.It is one of the primary indicators that is frequently considered when determining whether or not an unconscious individual is still alive.The evolution and development process of the respiratory system that occurs in a foetus is primarily from head to tail(cephalocaudal).Many changes occur throughout this period until the 28th week of pregnancy at which the foetus^respiratory system will attain adequate development for the rest of his or her life.The respiratory system comprises of the lungs and the encompassing thoracic wall,which includes the thoracic cages,midriff(diaphragm),and the abdominal wall.Spirometry is a procedure used for estimating air volumes that enter and exit the pulmonary system with the aid of a spirometer.The various pulmonary parameters that reflect pulmonary ventilation are of great significance in diagnosing respiratory diseases.The respiratory system will be discussed in more detail in this article.
