产后乳汁自出的病因病机是什么
参考答案：乳汁自出的病机为气血虚弱，阳明胃气不固；或肝经郁热，疏泄失常，迫使乳汁外溢。
影响氧去极化腐蚀的主要因素。
A 23-month-old child is brought to the emergency department with suspected croup. Which assessment finding reflects increasing respiratory distress（）
A. Intercostal retractions.
B. Bradycardia.
C. Decreased level of consciousness.
D. Flushed skin.
