Tachycardia may result from pain, apprehension, hypoventilation, or hypovolemia.
心动过速可由于疼痛、恐惧、通气不足或低血容量引起。
It is commonly caused by chronic alveolar hypoventilation or air way mucus plugging.
究其原因，可能为肺泡慢性通气不足或气道分泌物阻塞。
Many neuromuscular diseases caused some sleep disorders such as hypoventilation and chronic respiratory failure.
许多神经肌肉疾病引起睡眠障碍夜间通气不足和慢性呼吸衰竭。
Inadequate ventilation can lead to respiratory acidosis increased, and respirator confrontation occurred, and further exacerbate hypoventilation.
通气不足可导致呼吸性酸中毒加剧，出现与呼吸机对抗，进一步加剧通气不足。
For their sleep problems alone, snorers spent about $1,000 extra per year, sleep apnea sufferers paid more than $5,000, and those with obesity hypoventilation syndrome exceeded a whopping $15,000.
仅仅在睡觉问题上，打呼噜的人就要每年多花1000美元，患有睡眠呼吸中止症的则要多花5000，那些有肥胖型肺换气不足症的人要多花惊人的15，000美元。
For their sleep problems alone, snorers spent about $1,000 extra per year, sleep apnea sufferers paid more than $5,000, and those with obesity hypoventilation syndrome exceeded a whopping $15,000.
仅仅在睡觉问题上，打呼噜的人就要每年多花1000美元，患有睡眠呼吸中止症的则要多花5000，那些有肥胖型肺换气不足症的人要多花惊人的15，000美元。
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