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.
The patient may cough up pink frothysputum or may even become confused or unconscious.A CHF exacerbation is a medical emergency and re-quires the immediate attention of a doctor. Exacerbations of CHF occur when there is an in-creased demand placed on the heart that the weakenedheart cannot compensate for by beating harder orfaster.