病因

Objective: To discuss the cause, diagnosis and treatment experiences of gastroduodenal perforation.

目的：探讨胃十二指肠穿孔的病因、诊断和治疗方法。

Objective: To study the value of CT perfusion combined with CT angiography in diagnosis of cervical vertigo.

目的：探讨脑CT灌注成像联合CT血管造影成像对颈性眩晕病因的诊断价值。

The rate of successful CPR can be improved by strengthening management of the patients with pericardiac arrest, finding the early signs of cardiac arrest, carrying out early CPR and choosing proper ABCD order according to the signs and cause of pericardiac arrest.

加强对围心搏骤停期患者的监测和管理，及时发现心肺骤停的早期信号，做到早期CPR，并根据围心搏骤停期的表现及病因选择适当的ABCD顺序，这将有助于提高CPR成功率。

Results The pathogenesis of pericardial effusion was distinctive in different age groups.

结果随着年龄的增大，心包积液病因构成也发生着变化。

The lesion was very uncommon. The etiology may be a focal inflammatory response around the feeding arteries in the perineurium. The results of surgical treatment were good.

非创伤性桡神经麻痹伴神经多段束带样病变临床罕见，其病因可能是神经外膜、束膜内的血管炎；手术治疗效果良好。

The results of genetic studies may help us to understand the pathogenesis of periodontal diseases, and provide new route for diagnosis and treatment of periodontitis.

基因研究可以帮助我们了解牙周疾病的病因，也可为牙周炎的诊断和治疗提供新的方法。

Fatigue periostitis;etiology;pathology;treatment;Protection

疲劳性骨膜炎；病因；病理；治疗；防护

Objective To study the etiology of pertinacious chronic cough in children.

目的 探讨小儿难治性慢性咳嗽的病因。

Pertussis is one of the leading causes of vaccine-preventable deaths world-wide.

百日咳是世上疫苗可防性的致死主要病因之一。

In traditional Chinese medicine the etiological factors include six exogenous pathogenic factors pestilential qi seven emotions improper diet irregular daily activity traumatic injury insect or animal bite etc.Under certain condition these factors can cause illnesses.

在传统中医药的病因因素包括六淫致病因素pestilential齐七情不当饮食不正常的日常活动外伤昆虫或动物咬伤etc.under一定条件下，这些因素可导致疾病。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷