As discussed above, taking a detailed history is essential. Box 1 lists the main questions to ask during an exacerbation. BTS and SIGN (2012) guidelines advise checking the following parameters, once an adequate history has been taken:
As discussed above, taking a detailed historyis essential. Box 1 lists the main questionsto ask during an exacerbation.BTS and SIGN (2012) guidelines advisechecking the following parameters, oncean adequate history has been taken: