10 Causes of Syncope
Reviewed: Dr. Gromatzky
Cause #7: Physical Exertion
When we work hard physically, our muscles require more oxygen and fuel than they do when at rest. This leads us to heavier breathing and faster heartbeats in order to provide our muscles with the additional resources they need. This can be particularly noticeable in people that are not used to physical exertion.
Often, we will need to stop and take a rest to allow us to catch our breath and increase oxygen levels. Sometimes, though, the lack of sufficient oxygen can lead to us passing out. While this is not necessarily dangerous directly, it can be a sign that you are pushing yourself too hard and need to step back a bit.
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