Lactic acid levels should be checked based on the clinical context and the patient's condition. In critically ill patients or those with suspected sepsis, it may be monitored frequently, such as every 1-2 hours, until stabilization is achieved. For patients with known lactic acidosis or those undergoing treatment for conditions that can elevate lactic acid, levels may be checked daily or as needed. Ultimately, the frequency should be guided by the healthcare provider's judgment and the patient's response to treatment.
every 4 weeks in the community
DailyDaily
monthly
Commercially speaking, in the UK they have to be checked annually, and signed.
brake linings should be checked at 15,000 and 25,000 miles and then every 5,000 miles after that.
Every time it is worn!
probably five of 59 times, but nowhere in between.
The engine oil level on a boat should be checked regularly, ideally before each trip or at least once a week during use. It's important to check the oil level when the engine is cool and on a level surface for an accurate reading. Additionally, after long trips or heavy use, it's advisable to check the oil level to ensure it remains within the recommended range. Regular checks help maintain engine performance and longevity.
Yes because people die often from building collapses.
Every time the PFD is worn
Every time it is worn.
With each brake job.