Monday, February 13, 2012
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Emphysema Learning Center

A variety of pulmonary function tests may be ordered. In the early stages of emphysema, the only result may be dysfunction of the small airways. Patients with emphysema may show an increase in the total amount of air that is in the lungs (total lu...
Source:Gale Encyclopedia of Medicine
A history of heavy smoking alone is not enough for a physician to differentiate emphysema from other respiratory diseases. A physician will combine information on symptoms, medical history, physical examination , lung function tests, and chest x r...
Source:Gale Encyclopedia of Nursing and Allied Health
A diagnosis of emphysema will not be made on the basis of the above symptoms alone. A detailed medical history will be taken along with x rays and pathology examinations. Peak flow tests will also be conducted.
Source:Gale Encyclopedia of Alternative Medicine
The peak expiratory flow rate measures how fast a person can breathe out (exhale) air. It is one of many tests that measures how well the lungs are working.
Source:ADAM
Date:October 14, 2009
Spirometry is the measurement of airflow into and out of the lungs . The patient is given instructions on how to perform the breathing maneuvers. To perform the procedure the nose is pinched off, and the patient breathes as instructed through a mo...
Source:Gale Encyclopedia of Nursing and Allied Health
Spirometry is the measurement of air flow into and out of the lungs.
Source:Gale Encyclopedia of Surgery
Pulmonary function tests are a group of tests that measure how well the lungs take in and release air and how well they move gases such as oxygen from the atmosphere into the body's circulation.
Source:ADAM
Date:October 14, 2009
Pulmonary function tests are a group of procedures that measure the function of the lungs, revealing problems in the way a patient breathes. The tests can determine the cause of shortness of breath and may help confirm lung diseases, such as asthm...
Source:Gale Encyclopedia of Medicine
Pulmonary function tests are a group of procedures that measure how well the lungs are functioning.
Source:Gale Encyclopedia of Children's Health
Pulmonary function tests are a group of procedures that measure the function of the lungs , revealing problems in the way a patient breathes. These tests can determine the cause of shortness of breath and may help confirm the diagnosis of such lun...
Source:Gale Encyclopedia of Nursing and Allied Health
Normal individuals have a large reserve in lung function that allows breathing capacity to increase at least twenty to thirty times during periods of vigorous physical activity. It is not the ability to breathe that normally limits maximum exercis...
Source:Gale Encyclopedia of Public Health
The pulse oximeter is a photoelectric instrument for measuring oxygen saturation of the blood . A pulse oximeter uses infrared light and a photo sensor to detect the amount of oxygen in a patient's blood. (Illustration by Argosy . Courtesy of Gale...
Source:Gale Encyclopedia of Nursing and Allied Health
The pulse oximeter is a photoelectric instrument for measuring oxygen saturation of blood.
Source:Gale Encyclopedia of Surgery
During a physical examination, a health care provider studies a patient's body to determine the presence or absence of physical problems. A typical physical examination includes: Inspection (looking at the body; Palpation (feeling the body with ha...
Source:ADAM
Date:February 23, 2009
The health status of populations and of individuals is assessed for many reasons. Assessing needs for care helps guide the allocation of resources— diagnostic assessments guide treatment, prognostic assessments contribute to planning, and assessin...
Source:Gale Encyclopedia of Public Health
Blood gases is a measurement of how much oxygen and carbon dioxide is in your blood. It also determines the acidity (pH) of your blood.
Source:ADAM
Date:August 10, 2008
Blood gas analysis, also called arterial blood gas (ABG) analysis, is a procedure to measure the partial pressure of oxygen (O 2 ) and carbon dioxide (CO 2 ) gases and the pH (hydrogen ion concentration) in arterial blood.
Source:Gale Encyclopedia of Nursing and Allied Health
Blood gas analysis, also called arterial blood gas (ABG) analysis, is a test which measures the amounts of oxygen and carbon dioxide in the blood, as well as the acidity (pH) of the blood.
Source:Gale Encyclopedia of Medicine
Blood gases are defined as the mixture of gases, including oxygen (O 2 ), carbon dioxide (CO 2 ), and nitrogen (N 2 ), dissolved in the fluid fraction of blood.
Source:Gale Encyclopedia of Nursing and Allied Health
A chest tomogram is a picture of the chest area created by moving the x-ray machine in one direction while moving the recording film the other way. This method blurs structures in front of and behind the area of the chest being studied. This allow...
Source:ADAM
Date:August 10, 2008
Computed tomography (CT) of the chest is performed to diagnose a variety of symptoms, including vascular, cardiac, airway disease as well as cancers that can occur in the thoracic region of the body.
Source:Gale Encyclopedia of Nursing and Allied Health
A computed tomography (CT) scan is an imaging method that uses x-rays to create cross-sectional pictures of the body. See also: Cranial CT scan; Lumbosacral spine CT scan; Orbit CT scan; Thoracic CT scan.
Source:ADAM
Date:October 29, 2008
Computed tomography (also known as CT, CT scan, CAT, or computerized axial tomography) scans use x rays to produce precise cross-sectional images of anatomical structures.
Source:Gale Encyclopedia of Neurological Disorders
Computed tomography scanning, also called CT scan, CAT scan, or computerized axial tomography, is a diagnostic tool that provides views of internal body structures using x rays. In the field of mental health, a CT scan may be used when a patient s...
Source:Gale Encyclopedia of Mental Disorders
Computed tomography (CT) scans are completed with the use of a 360-degree x-ray beam and computer production of images. These scans allow for cross-sectional views of body organs and tissues.
Source:Gale Encyclopedia of Medicine
Computed tomography (CT), formerly referred to as computerized axial tomography (CAT), is a common diagnostic imaging procedure that uses x rays to generate images (slices) of the anatomy.
Source:Gale Encyclopedia of Children's Health
Computed tomography (CT) scanning is a valuable diagnostic tool that provides physicians with views of internal body structures. During a CT scan, multiple x rays are passed through the body, producing cross-sectional images, or "slices, " on a ca...
Source:Gale Encyclopedia of Cancer
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