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健康

List 症狀 – 嘔

嘔吐是胃或腸內容物通過口和鼻道到達外部的爆發。嘔吐是兒童常見的症狀,兒童越小越容易。嘔吐的機制在於當胃內容物被強行推入食道時,膈膜的急劇鬆弛和腹壁肌肉組織的同時急劇收縮。
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