This is a powerpoint presentation on Emphysema topic taken from Robin's and Cotran textbook of pathology
contans :
1) definition
2) types and pathogenesis of emphysema
3) morphology of early and advanced stage of emphysema
Emphysema is defined pathologically as an abnormal, permanent enlargement of the air spaces distal to the terminal bronchioles, accompanied by destruction of their walls and without obvious fibrosis. Together, emphysema and chronic bronchitis are known as Chronic Obstructive Pulmonary Disease (COPD), and involves the enlargement of the air sacs in the lung.
The damage is permanent - not reversible - and it causes reduced respiratory function. When the hazards of smoking are bought up, the most common disease discussed is
cancer and no one brings up emphysema. Although, most cases of COPD, and therefore emphysema, are caused by cigarette smoking.
Emphysema is rarely caused by a congenital condition known as α1-antitrypsin
deficiency, for which there is a lab test.
The most common symptoms are breathlessness, or a 'need for air', excessive sputum
production, and a chronic cough. However, COPD is not just simply a "smoker's
cough", but an under-diagnosed, life threatening lung disease that may progressively
lead to death.
Doctors diagnose COPD and emphysema with lung function tests to measure lung capacity. Spirometry is used in diagnosis - to measure the volume of air a patient can
blow out in one second after a deep breath.
Treatment does not halt or reverse lung damage but eases symptoms and prevents exacerbations. Drugs and supportive therapies are the mainstay of emphysema treatment.
Drugs may include inhaled bronchodilators, corticosteroids and, when there is an infection, antibiotics.
Support therapy includes oxygen supplementation, nutrition, help with smoking cessation, and other educational interventions.
Surgical intervention, including lung transplantation, is reserved for severe cases of emphysema.
People with emphysema and COPD should have an annual flu jab and may be recommended for a pneumonia shot once every 5 years.
Emphysema is a type of chronic obstructive pulmonary disease. This presentation quickly throws light on its subtypes, etiology, pathophysiology, clinical manifestations, diagnostic procedures, treatment, and complications.
This is a powerpoint presentation on Emphysema topic taken from Robin's and Cotran textbook of pathology
contans :
1) definition
2) types and pathogenesis of emphysema
3) morphology of early and advanced stage of emphysema
Emphysema is defined pathologically as an abnormal, permanent enlargement of the air spaces distal to the terminal bronchioles, accompanied by destruction of their walls and without obvious fibrosis. Together, emphysema and chronic bronchitis are known as Chronic Obstructive Pulmonary Disease (COPD), and involves the enlargement of the air sacs in the lung.
The damage is permanent - not reversible - and it causes reduced respiratory function. When the hazards of smoking are bought up, the most common disease discussed is
cancer and no one brings up emphysema. Although, most cases of COPD, and therefore emphysema, are caused by cigarette smoking.
Emphysema is rarely caused by a congenital condition known as α1-antitrypsin
deficiency, for which there is a lab test.
The most common symptoms are breathlessness, or a 'need for air', excessive sputum
production, and a chronic cough. However, COPD is not just simply a "smoker's
cough", but an under-diagnosed, life threatening lung disease that may progressively
lead to death.
Doctors diagnose COPD and emphysema with lung function tests to measure lung capacity. Spirometry is used in diagnosis - to measure the volume of air a patient can
blow out in one second after a deep breath.
Treatment does not halt or reverse lung damage but eases symptoms and prevents exacerbations. Drugs and supportive therapies are the mainstay of emphysema treatment.
Drugs may include inhaled bronchodilators, corticosteroids and, when there is an infection, antibiotics.
Support therapy includes oxygen supplementation, nutrition, help with smoking cessation, and other educational interventions.
Surgical intervention, including lung transplantation, is reserved for severe cases of emphysema.
People with emphysema and COPD should have an annual flu jab and may be recommended for a pneumonia shot once every 5 years.
Emphysema is a type of chronic obstructive pulmonary disease. This presentation quickly throws light on its subtypes, etiology, pathophysiology, clinical manifestations, diagnostic procedures, treatment, and complications.
Emphysema is a type of COPD involving damage to the air sacs (alveoli) in the lungs. As a result, your body does not get the oxygen it needs. Emphysema makes it hard to catch your breath. You may also have a chronic cough and have trouble breathing during exercise. The most common cause is cigarette smoking
Emphysema is a type of COPD involving damage to the air sacs (alveoli) in the lungs. As a result, your body does not get the oxygen it needs. Emphysema makes it hard to catch your breath. You may also have a chronic cough and have trouble breathing during exercise. The most common cause is cigarette smoking
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2. Objectives
• Explain how the respiratory and circulatory systems work together to
transport nutrients, gases and other molecules to and from the different
parts of the body
• Infer how one’s lifestyle can affect the functioning of respiratory and
circulatory systems.
3. The respiratory system, which includes air
passages, pulmonary vessels, the lungs, and
breathing muscles, aids the body in the exchange
of gases between the air and blood, and between
the blood and the body’s billions of cells. Most of
the organs of the respiratory system help to
distribute air, but only the tiny, grape-like alveoli
and the alveolar ducts are responsible for actual
gas exchange.
7. Upper respiratory tract: Composed of the
nose, the pharynx, and the larynx, the
organs of the upper respiratory tract are
located outside the chest cavity.
8. NASAL CAVITY
Inside the nose, the sticky mucous membrane
lining the nasal cavity traps dust particles, and
tiny hairs called cilia help move them to the nose
to be sneezed or blown out.
12. Lower respiratory tract: Composed of the
trachea, the lungs, and all segments of the
bronchial tree (including the alveoli), the
organs of the lower respiratory tract are
located inside the chest cavity.
14. LUNGS
Together the lungs form one of the body’s largest
organs.They’re responsible for providing oxygen
to capillaries and exhaling carbon dioxide.
15. BRONCHI
The bronchi branch from the trachea into
each lung and create the network of intricate
passages that supply the lungs with air.
18. ASTHMA
Asthma is defined as a common, chronic
respiratory condition that causes difficulty
breathing due to inflammation of the
airways. Asthma symptoms include dry
cough, wheezing, chest tightness and
shortness of breath. Dr. Meyer says there is a
major connection between environmental
allergies and asthma. Allergic reactions,
infections and pollution can all trigger an
asthma attack.
19. CHRONIC OBSTRUCTIVE PULMONARY
DISEASE (COPD)
Chronic obstructive pulmonary disease is an umbrella term that encompasses
several respiratory illnesses that cause breathlessness, or the inability to
exhale normally. People usually experience symptoms, including shortness of
breath, and normally cough up sputum (mucus from the lungs), especially in
the morning. He says the disease usually begins while people are in their 30s or
40s and then peaks during their 50s, 60s and 70s.
20. CHRONIC BRONCHITIS
Chronic bronchitis is a form of COPD emphasized by a chronic cough. Usually
people cough up sputum (mucus from the lungs), especially in the morning. Dr.
Meyer says this happens because mucus glands in the airways increase output,
and patients have to cough that extra secretion out. Since chronic bronchitis is a
form of COPD, it’s treated the same way. People can also develop acute
bronchitis, which is not a long-term disease but rather an infectious problem. It
develops from a viral or bacterial infection and can be treated with antibiotics.
Symptoms associated with acute bronchitis will subside once the infection has
resolved.
21. EMPHYSEMA
Emphysema is a serious respiratory disease, which is another form of COPD.The
most common cause is smoking.Those who suffer from emphysema have
trouble exhaling air from their lungs. Cigarette smoke damages the air sacs in the
lungs to a point where they can no longer repair themselves. Dr. Meyer says this
respiratory system illness most commonly leads to respiratory failure and the
need for extra oxygen to meet breathing needs. Emphysema evolves slowly over
the years, and there is no cure; however, those who quit smoking are more likely
to see the disease’s progression slow.
22. LUNG CANCER
With the ability to develop in any part of the lungs, this cancer is
difficult to detect. Most often, the cancer develops in the main part of
the lungs near the air sacs. DNA mutations in the lungs cause irregular
cells to multiply and create an uncontrolled growth of abnormal cells,
or a tumor.These tumors interfere with the regular functions of the
lungs.
23. PNEUMONIA
Pneumonia is a common lung
disease caused by an infection in
the air sacs in the lungs.The
infections can be bacterial, viral or
fungal. Most people can recover in
one to three weeks, but for certain
people, pneumonia can be
extremely serious and even life-
threatening.