Asthma currently can be divided into 4 types:
Asthma currently can be divided into 4 types according to the National Institute of Health. The 4 types are mild intermittent, mild persistent, moderate persistent and severe persistent. Asthma sufferers that fall into the severe persistent range category have chronic asthma. So let's talk about the peak flow rate. For mild intermittent and mild persistent asthma, their peak flow rate is more than 80 percent of normal. Moderate persistent is between 60 to 80 percent. Chronic asthma has a peak flow rate of below 60 percent. Chronic asthma is a severe form of asthma. The symptoms for this type of asthma also differ from the other three categories. Unlike people who fall into the first three categories, people that suffer from this type of asthma have daily recurrent symptoms of asthma which is characterized by breathlessness, sudden tightness of the chest and wheezing sounds. Sometimes wheezing sounds cannot be heard at all if the bronchial tubes have been almost sealed comp