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.
An exacerbation of MS (also known as a relapse, attack or flare-up) causes new symptoms or the worsening of old symptoms. It can be very mild, or severe enough to interfere with a personâs ability to function at home and at work.