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These breathing irregularities are not random, but correspond to bursts of eye movements. This breathing pattern is not controlled by the chemoreceptors, but is due to the activation of behavioral respiratory control system by REM sleep processes. Quantitative measure of airflow is quite variable in this sleep stage and has been shown to be ...
Chlorine gas poisoning is an illness resulting from the effects of exposure to chlorine beyond the threshold limit value.Acute chlorine gas poisoning primarily affects the respiratory system, causing difficulty breathing, cough, irritation of the eyes, nose, and throat, and sometimes skin irritation.
Chlorine is a strong oxidizing element causing the hydrogen to split from water in moist tissue, resulting in nascent oxygen and hydrogen chloride that cause corrosive tissue damage. Additionally oxidation of chlorine may form hypochlorous acid , which can penetrate cells and react with cytoplasmic proteins destroying cell structure.
Excessive exposure to oxygen can lead to oxygen toxicity, also known as oxygen toxicity syndrome, oxygen intoxication, and oxygen poisoning.There are two main ways in which oxygen toxicity can occur: exposure to significantly elevated partial pressures of oxygen for a short period of time (acute oxygen toxicity), or exposure to more modest elevations in oxygen partial pressures but for a ...
Breathing normally will restore oxygen levels and the person will fall asleep again. [35] This carbon dioxide build-up may be due to the decrease of output of the brainstem regulating the chest wall or pharyngeal muscles, which causes the pharynx to collapse. [ 36 ]
Dyspnea is typically the sensation of feeling short of breath and should not be confused with rapid breathing , excessive breathing or hyperventilation. [5] Once dyspnea is properly identified, it is important to differentiate between acute and chronic dyspnea, typically through a detailed physical exam and observation of the person's breathing ...
Most individuals with obstructive sleep apnea are unaware of disturbances in breathing while sleeping, even after awakening. A bed partner or family member may observe a person snoring or appear to stop breathing, gasp, or choke while sleeping. People who live or sleep alone are often unaware of the condition.
The term asphyxiation is often mistakenly associated with the strong desire to breathe that occurs if breathing is prevented. This desire is stimulated from increasing levels of carbon dioxide. However, asphyxiant gases may displace carbon dioxide along with oxygen, preventing the victim from feeling short of breath.