As a respiratory therapist with extensive experience in critical care and emergency medicine, I'm well-versed in the effects of various gases on the human body, including the potential for oxygen toxicity. Oxygen toxicity is a condition resulting from the harmful effects of breathing in high concentrations of oxygen over an extended period of time. The
central nervous system (CNS) is particularly sensitive to oxygen toxicity, and the symptoms can vary depending on the level of exposure and individual factors.
Here are the common signs and symptoms of oxygen toxicity:
1.
Visual Changes: One of the earliest indicators is a change in vision, often described as a narrowing of the visual field, known as
tunnel vision.
2.
Tinnitus: A high-pitched ringing or buzzing in the ears is another common symptom.
3.
Nausea: Feeling sick to the stomach can also be an early sign.
4.
Twitching: Involuntary muscle movements, particularly around the face, may occur.
5.
Behavioral Changes: These can include increased
irritability,
anxiety, and
confusion.
6.
Dizziness: A sensation of lightheadedness or unsteadiness can be present.
If oxygen toxicity progresses, it can lead to more severe symptoms such as seizures, loss of consciousness, and in extreme cases, it can be fatal.
It's important to note that these symptoms are not exclusive to oxygen toxicity and can be caused by other conditions. Therefore, proper diagnosis by a healthcare professional is crucial.
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