gov/pubmedhealth/PMH001140 1998-2013 Mayo Foundation For Medical Education Retrieved by: http://www.mayoclinic.com/health/sarcoidosis/DS00251 The Ohio State University Wexner Medical Center Retrieved by: http://medicalcenter.osu.edu/patientcare/healthcare_services/lung/sarcoidosis Sarcoidosis is a disease of unkown cause that leads to inflammation. This disease affects your body’s organs. These cells release chemicals that recruit other cells to isolate and destroy the harmful substance. Inflammation occurs during
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Asthma and emphysema are both known as obstructive lung diseases. Obstructive lung disease occurs when the airway is obstructed and is worse with expiration. For example‚ more force is required to exhale and emptying the lungs is slowed (Huether & McCance‚ 2012‚ p. 689). The most common type of obstructive lung diseases are asthma‚ chronic bronchitis‚ and emphysema. Although‚ they are categorized as obstructive lung disease they have many similarities in that they have similar symptoms such as
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Pulmonary fibrosis (PF) is the condition in which the alveolar wall is thickened by scarring‚ causes the patients to have shortness of breath‚ fatigue and lower the oxygen saturation. PF may have definable causes but in many cases‚ the causes remain unknown. Those cases with unknown causes called idiopathic pulmonary fibrosis (IPF). Air is drawn in by the nose and mouth‚ passes through the bronchi to the bronchioles and finally reaches millions of alveoli. Around the alveolar is a group of many capillaries
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Lab 6. Respiratory System Mechanics-14 Name ______ Purpose: This lab explores the mechanics and factors which affect the process of pulmonary ventilation‚ the exchange of gases between the outside of body and the lungs. Materials: Physio Ex CD 9.0 Procedure: Complete the activities on Respiratory System Mechanics in the lab manual. Read the lab and answer the questions‚ some of which do not come from the lab manual‚ and submit.
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that after the thorax of a dog had been opened life could be prolonged by artificial respiration - this proved that the whole of the essential business of respiration takes place in the lungs. Richard Lower (1631-1691) upset the old ideas that the change in blood colour took place in the heart rather than in the lungs. He also demonstrated the necessity of fresh air in life rather than air generally and that in fact ’where a fire burns readily there we can easily breathe’. He was close to conceptualizing
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COPD Chronic Obstructive Pulmonary Disease (COPD) is a lung disease that makes it hard to breathe. COPD refers to two lung diseases‚ emphysema‚ and chronic bronchitis and is an obstruction to breathing that decreases air exchange in the lungs. Emphysema does not always coexist with chronic bronchitis. Asthma‚ Pulmonary Fibrosis‚ or Pulmonary Hypertension is not diagnosed as COPD. Some people may think they simply have a "smoker’s cough" or that breathlessness is just a part of getting older. It
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due to the high respiratory rate of an acute asthma exacerbation‚ but prolonged or severe symptoms may cause hypercapnia and metabolic acidosis (Karwat‚ 2002). Chest radiography is often normal; however‚ findings can encounter hyperinflation of the lungs with flattened diaphragm if there is obvious air trapping with the diagnosis of asthma. A CXR may be obtained if the reason of the patient’s wheezing is uncertain. This is particularly helpful in patients in case of other comorbid conditions‚ fevers
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body’s cells. It effects mostly the lungs and the digestive system; where thick mucus blocks the small tubes and ducts of the pancreas. (Orenstein) The classic triad of exocrine abnormalities are pancreatic insufficiency‚ chronic recurrent pulmonary infections and an elevated sweat electrolyte concentration. At birth the pancreas shows signs of disease and the lungs appear to normal. As the disease progresses ‚ the pancreas becomes smaller and fibrotic while the lungs show a progressive increase in
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the lungs after a normal and passive expiration. It is usually measured at approximately 2.5 litres of air. Both the FRC and the anatomical dead space are essential in maintaining the constancy of alveolar gas tensions. To highlight there importance‚ it would be very useful to imagine the situation within the respiratory tract if they were not present. The consequence of these two factors not being present means that the inspired air would be equal to the normal tidal volume and the lungs would
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During the physical examination‚ we were unable to elicit findings typical of pneumonia such as dullness on both the lower lung fields‚ crackles‚ and increased breath sounds. We attributed this to the medications that were already taking effect on the day prior to conducting the physical examination. Administration of antibiotics and expectorants relieves the pulmonary congestion by reducing the bacterial load and purging the mucus that clogs the bronchi. The resolution of the disease in the patient
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