The secondary survey is a head-to-toe evaluation of the trauma patient, ie, a complete history and physical examination, including a reassessment of all vital signs.
Objective:To study the value of umbilical blood stream examination and descending test of fetal head on antenatal diagnosis of cord around neck and perinatal prognosis.
目的:探讨胎儿脐血流检测及胎头下降试验对脐带绕颈的诊断及预测其胎儿预后的价值。
3
Results: Of 47 necrotic femoral head in 30 cases, 16 were missed diagnosis by X-ray examination, 5 by CT, and 5 were diagnosed by MRI but missed diagnosis by X-rays and CT.