Shortness of breath is one of the main complaints that sends people to the doctor's office. One of the tools used to help diagnose the cause of breathlessness is called a spirometer. This is a kind of pulmonary function monitor (PFM) and measures the volume of air inspired and expired through the lungs. The printed output from the device is a graph, and this can indicate whether the breathing dysfunction is restrictive or obstructive. Spirometers are constructed differently to enable different strategies for measuring the movement of air (pressure transducers, ultrasound, water gauge).
Lung function tests are utilized to eliminate the presence of serious pulmonary conditions such as asthma, emphysema and bronchitis. They are also performed to assess the influence on the lungs of medications or ambient contaminants, to help determine the cause of breathlessness and to evaluate the progress of treatments. Lung function tests are also performed before surgery on the lungs to take benchmark measurements of lung activity.
The prominent Roman physician, Claudius Galen, performed the first lung function test some time in the second century AD. He asked a boy to inhale and exhale into a bladder. Later variants featured bell jars inverted in water. Modern PFMs include the pneumotachometer, the peak flow meter and a whole body plethysmograph.
According to the Mayo Clinic, shortness of breath may be defined as an intense chest tightening and a feeling of being suffocated. It may be confined to a single episode or it may become chronic. While it is important to rule out any serious problems underlying breathlessness, in most cases the root cause is harmless and easily curable.
Along with instrumentation, there are a half dozen or more so-called "red flag" symptoms and signs that may herald a serious lung condition. These include persistent pallor and fatigue, swollen ankles, a chronic wheeze or cough, having a hard time breathing when lying flat, pain worsening with activity, or any other persistent or strange symptoms. A history of working in an environment where there is asbestos, wood dust, hazardous chemical fumes or in a coal mine might also contribute to a lung disorder.
Asthma, a chronic disease of the airways, is somewhat more serious. According to the Centers for Disease Control in Atlanta, Georgia, 18.9 million non-institutionalized adults have asthma at any one time. This represents 8.2 percent of that population.
Once serious causes of breathlessness have been eliminated from the differential diagnosis, many cases can be traced to one of two simple and easily remedied causes, either trigger points, also known as muscle knots, or dysfunctional respiratory habits and weak muscles. The treatment for both is safe, cost-free and easily performed by the patient. It involves a program of exercise and trigger point massage.
The spirometer is a device that has been in use for nearly two thousand years for the detection of breathlessness. It can identify whether breathlessness is present, but further investigations are required to rule out serious conditions like asthma. Once sinister problems have been ruled out, the cause of shortness of breath is most likely a combination of trigger points and dysfunctional breathing technique. This can be easily remedied with a regime of trigger point massage and breathing exercises.
Lung function tests are utilized to eliminate the presence of serious pulmonary conditions such as asthma, emphysema and bronchitis. They are also performed to assess the influence on the lungs of medications or ambient contaminants, to help determine the cause of breathlessness and to evaluate the progress of treatments. Lung function tests are also performed before surgery on the lungs to take benchmark measurements of lung activity.
The prominent Roman physician, Claudius Galen, performed the first lung function test some time in the second century AD. He asked a boy to inhale and exhale into a bladder. Later variants featured bell jars inverted in water. Modern PFMs include the pneumotachometer, the peak flow meter and a whole body plethysmograph.
According to the Mayo Clinic, shortness of breath may be defined as an intense chest tightening and a feeling of being suffocated. It may be confined to a single episode or it may become chronic. While it is important to rule out any serious problems underlying breathlessness, in most cases the root cause is harmless and easily curable.
Along with instrumentation, there are a half dozen or more so-called "red flag" symptoms and signs that may herald a serious lung condition. These include persistent pallor and fatigue, swollen ankles, a chronic wheeze or cough, having a hard time breathing when lying flat, pain worsening with activity, or any other persistent or strange symptoms. A history of working in an environment where there is asbestos, wood dust, hazardous chemical fumes or in a coal mine might also contribute to a lung disorder.
Asthma, a chronic disease of the airways, is somewhat more serious. According to the Centers for Disease Control in Atlanta, Georgia, 18.9 million non-institutionalized adults have asthma at any one time. This represents 8.2 percent of that population.
Once serious causes of breathlessness have been eliminated from the differential diagnosis, many cases can be traced to one of two simple and easily remedied causes, either trigger points, also known as muscle knots, or dysfunctional respiratory habits and weak muscles. The treatment for both is safe, cost-free and easily performed by the patient. It involves a program of exercise and trigger point massage.
The spirometer is a device that has been in use for nearly two thousand years for the detection of breathlessness. It can identify whether breathlessness is present, but further investigations are required to rule out serious conditions like asthma. Once sinister problems have been ruled out, the cause of shortness of breath is most likely a combination of trigger points and dysfunctional breathing technique. This can be easily remedied with a regime of trigger point massage and breathing exercises.
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