10 Critical Symptoms of Upper Gastrointestinal Bleeding (UGB) You Must Not Ignore

Symptom 8: Feeling Lightheaded or Fainting

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Feeling Lightheaded or Fainting
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Lightheadedness or the sensation of near-fainting is the brain’s response to decreased oxygen levels. Given that the brain controls many of our body’s functions, any reduction in its oxygen supply has immediate and noticeable effects. The sensation is often described as feeling “floaty” or as if one might pass out.

Blood loss from UGB means reduced oxygen transport. As the brain gets less oxygen, it triggers a protective mechanism, making an individual feel lightheaded. The idea is to get the person to lie down, increasing the chances of maintaining blood flow to the brain.

Lightheadedness due to UGB often comes with other symptoms like paleness, fatigue, or a rapid heartbeat. These combined symptoms provide a clearer indication of potential UGB and the body’s attempt to cope with the blood loss.

While lightheadedness can arise from various causes, such as dehydration or sudden position changes, its occurrence alongside other UGB symptoms sets it apart. The context here, as always, is crucial. (8)

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