What is Atopy?
A genetic predisposition towards the development of immediate hypersensitivity reactions against common ** environmental antigens**.
How many people are affected by Asthma?
There are 300 million individuals of all ages, ethnic groups and countries that are affected by Asthma worldwide.
What are the two general types of Asthma?
Which sub-type of T-Helper cell is Pro- atopic - Th1 or Th2?
Th 2 - pro atopic; pro asthmatic.
Th 1 is non atopic.
Are Eosinophils “acid loving” or “base loving”?
Eosinophils are “acid loving” white cells. They stain brick red with Eosin staining.
What are the main inflammatory cells in the airway??
Of less importance….
Antigen specific IgE (immunoglobulin E) is produced by what?
B lymphocytes.
What are the typical early phase clinical signs of Asthma?
Patient develops:
What are the typical late stage signs of Asthma?
Patient presents with:
What is the hygiene hypothesis?
It is hypothesized that exposure to certain microbes by early infection or from the environment may drive T cell production** towards the non atopic (Th 1)** phenotype, thereby reducing the occurence of Asthma.
What is Sodium cromoglycate used for?
Sodium Cromoglycate is:
Which drug should an Asthmatic taking Salbutamol not be taking, and why?
What is Omalizumab used for?
Why does Omalizumab not help obese asthmatics?
How does Omalizumab work?
What is Mepoluzimab?
Mepoluzimab is a…
For which respiratory conditions are leukotrine receptor antagonists used in treatment?
Leukotrine antagonists are Helpful in:
How is** aspirin** thought to induce Asthma?
What spirometry result is diagnostic of COPD?
In which age group do most asthmatics first present to the GP?
0-4 years (67.7%).
When taking a focussed history from a patient you suspect to have asthma, what are the key points to cover?
What are the (important to remember) differential diagnosis for a presenting wheeze in a child under 1 year?
What is the commonest Acute lower respiratory tract infection (LRTI) in infancy?
Bronchiolitis.
What are the clinical signs of Bronchiolitis?
Also: