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Dynamic hyperinflation : ウィキペディア英語版 | Dynamic hyperinflation Dynamic hyperinflation is a phenomenon that occurs when a new breath begins before the lung has reached the static equilibrium volume. ==Asthma== (詳細はasthma who are breathing spontaneously. It is a physiologic response to airflow obstruction and exists, to an extent, because increasing lung volume tends to increase airway caliber and can reduce the resistive work of breathing. However, in patients with severe asthma it becomes maladaptive, occurring at the expense of increased mechanical load and elastic work of breathing. Dynamic hyperinflation can cause alveolar overdistention resulting in hypoxemia, hypotension, or alveolar rupture. Dynamic hyperinflation increases the magnitude of the drop in airway pressure that the patient must generate to trigger a breath, thereby increasing the patient's workload.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Dynamic hyperinflation」の詳細全文を読む
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