What is the pathogenesis to asthma

An 18year old male with a history of asthma presents to the ER complaining of shortness of brearh and wheezing.

What is the next step in management?

What is the pathogenesis to asthma?

List the medications used to treat status asthmaticus (acute asthma attack), and which medication is used prophylactically to prevent or decrease asthmatic attacks.