Bronchiectasis, Biology

Assignment Help:

Bronchiectasis:

Bronchiectasis literally means abnormal dilation of bronchi. It is a chronic  inflammatory condition which is characterised  by permanent dilation of bronchi and bronchioles due to obstruction and/or infection. As a result of  this there is a cavitation of bronchial and peribronchial tissue. Emphysema and pneumonia usually accompany bronchiectasis. 

Etiology:

Most cases follow recurrent episodes of  respiratory infections, obstruction due to foreign body, collection  of thick mucus as in bronchial asthma, chronic bronchitis, and cystic fibrosis. It could be caused due to congenital disorders of bronchi such as bronchomalacia, communicating  type of bronchial cyst or sequestrated lung. 

Pathogenosis:

Infection damages the bronchial wall and causes segmented areas of collapse. Similarly  the inhalation  of foregin body, aspiration of food or mucus plug in bronchus may occlude the bronchial lumen and cause segmental areas of collapse. The bronchi are dilated due to negative pressure by the collapsed segment and may show cylinderical,  fusiform or saccular dilatation. If the occlusion is  relieved before the stagnant secretions are infected and the bronchial wall is damaged, the bronchiectasis  the reversible. 

Nursing Assessment 

Child will present with persistant or recurrent cough with copious mucopurulent expectoration i.e. cough is more marked in some positions because of irritation due to infected secretions draining  into fresh areas of lung. Likewise the cough is more marked when child wakes up in the morning due to change of posture. Infants and young children often have significant wheezing. There may be haemoptysis and fever, poor general health with recurrent infection, loss of appetite,  irritability and poor weight gain.  


Related Discussions:- Bronchiectasis

What er the parafunctional habits, What er the Parafunctional Habits P...

What er the Parafunctional Habits Parafunctional Habits like bruxism and clenching create mechanical and biological problems due to overloading and are considered to be one of

Describe imz implant system, Q. Describe IMZ Implant System? Then came ...

Q. Describe IMZ Implant System? Then came the IMZ Implant System (Interpore IMZ) in 1974. The major difference between the IMZ System and all other relevant implant systems is

Explain the bohr''s model, Explain the Bohr's model? Bohr's Model :  ...

Explain the Bohr's model? Bohr's Model :  Electrons move around the nucleus at tremendous speeds and occupy most of the space in an atom. The exact position or location of an

Purpose of supervision - management principles, Purpose of Supervision: ...

Purpose of Supervision: Purpose: To help the personnel to grow, to know themselves and what they need in order to render the most efficient service and to give them assistance

What happen when a fatty acid reacts with glycerol, When a fatty acid react...

When a fatty acid reacts with glycerol, the result is- Select one: a. Formation of an amide b. Formation of an ester c. Formation of hydrocarbon d. Formation of a th

Lower respiratory tract, Lower Respiratory Tract: Trachea:   ...

Lower Respiratory Tract: Trachea:   Trachea or windpipe  is 12 cm long, 2.5 cm in diameter lying in front of the esophagus and  ends opposite the fourth dorsal

Explain the term blood, Explain the term Blood Blood is a fluid and con...

Explain the term Blood Blood is a fluid and consists of plasma and blood cells. More than 90 percent of plasma is water. Other constituents of plasma are plasma proteins i.e. a

Explain the stages of alzheimer''s disease, Explain the Stages of alzheimer...

Explain the Stages of alzheimer's disease? Stage I - There is an increased forgetfulness, anxiety and depression. Associated nutrition related changes include difficulty in

Cyclosporine, Cyclosporine Immunosuppressive agent that is selective...

Cyclosporine Immunosuppressive agent that is selective for lymphocytes mainly "T" lymphocytes. Route: Oral, parental, dose as prescribed. Side-effects: Ne

What is absorption, What is absorption?   Absorption involves  the  tr...

What is absorption?   Absorption involves  the  transfer of materials  through  the mucosa of the  alimentary tract  into blood and lymph vessels.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd