With proper maintenance, itâs possible to extend the life of an engine by a considerable amount, up to 500 hours for regular maintenance, and even up to 1,000 hours for those boaters with the utmost dedication. Maintenance and care will prolong the life of the engine, and overall, save a lot of money.
In medicine, exacerbation may refer to an increase in the severity of a disease or its signs and symptoms. For example, an exacerbation of asthma might occur as a serious effect of air pollution, leading to shortness of breath. Last Editorial Review: 5/13/2016.
Exacerbation means worsening or a flare up of COPD. An exacerbation can be from an infection in the lung, but in some instances it is never known why people have a worsening of symptoms.he amount and color of your sputum is important to note. A change in the amount of sputum (either bringing up more or bringing up less than usual), a change in the color of your sputum from clear to deep yellow, green, brown or red, and increasing shortness of breath are typical signs and symptoms of an exacerbation.