目的：分析冠状动脉CT血管成像（CTA）联合动态心电图（DCG）与冠心病患者冠脉狭窄程度及预后情况的关联。方法：研究对象选择我院2024年1月~2025年3月收治的210例冠心病患者及同期接受检查的210例非冠心病患者，分别列为病例组和对照组，比较两组CTA参数、DCG参数间差异。依据入院测得（Gensini）评分不同，将入组患者分别列为轻度组（60例，Gensini评分≤30分）、中度组（75例，Gensini评分＞30分、≤60分）和重度组（75例，Gensini评分＞60分），比较三组CTA参数、DCG参数间差异，分析CTA参数、DCG参数与Gensini评分的相关性。统计入组患者不良预后发生情况，比较不同预后患者CTA参数、DCG参数间差异，归纳冠心病患者预后影响因素，检验CTA参数、DCG参数对患者不良预后的预测效能。结果：病例组的最小管腔直径（MLD）、最小管腔面积（MLA）、血流储备分数（FFR）、正常窦性间期的标准差（SDNN）、每5min平均RR间期的标准差（SDANN）、相邻RR间期差值的均方根（RMSSD）均低于对照组，斑块总体积（TPV）、低频/高频比值（LF/HF）均高于对照组（t=24.128，25.811，15.613，37.636，26.858，9.195，59.862，29.389；P＜0.05）。重度组的MLD、MLA、FFR、SDNN、SDANN、RMSSD均低于中度组，轻度组，TPV、LF-HF均高于中度组，轻度组（F=190.291，51.562，186.482，42.084，44.413，22.541，56.503，109.983；P＜0.05）。MLD、MLA、FFR、SDNN、SDANN、RMSSD均与Gensini评分负相关，TPV、LF-HF均与Gensini评分正相关（r=-0.352，-0.377，-0.445，-0.472，-0.332，-0.356，0.401，0.355；P＜0.05）。经统计，210例冠心病患者的不良预后发生率为38.10%（80/210）。预后不良组的MLD、MLA、FFR、SDNN、SDANN、RMSSD均低于预后良好组，TPV、LF-HF均高于预后良好组（t=6.827，12.219，19.313，6.097，7.097，5.027，7.088，12.465；P＜0.05）。MLA、FFR、SDNN升高为冠心病不良预后的保护因素，LF/HF升高为冠心病不良预后的危险因素。FFR、SDNN联合检测预测不良预后的 AUC 值优于两项指标单独检测（Delong检验，P＜0.05）。结论：CTA、DCG能客观评估冠心病患者冠脉狭窄程度，联合检测FFR、SDNN可作为预测冠心病不良预后的重要辅助手段。

Objective:To analyze the correlation between CTA combined with DCG and the degree of coronary stenosis and prognosis in patients with coronary heart disease.Methods:The research subjects selected were 210 patients with coronary heart disease admitted to our hospital from January 2024 to March 2025, as well as 210 non coronary heart disease patients who underwent examinations during the same period. They were divided into a case group and a control group. The differences in CTA parameters and DCG parameters between the two groups were compared. According to the different Gensini scores obtained upon admission, the enrolled patients were divided into mild group (60 cases, Gensini score ≤ 30 points), moderate group (75 cases, Gensini score>30 points, ≤ 60 points), and severe group (75 cases, Gensini score>60 points). The differences in CTA parameters and DCG parameters among the three groups were compared, and the correlation between CTA parameters, DCG parameters, and Gensini score was analyzed. Statistically analyze the occurrence of poor prognosis in enrolled patients, compare the differences in CTA and DCG parameters among patients with different prognoses, summarize the factors affecting the prognosis of coronary heart disease patients, and test the predictive power of CTA and DCG parameters for poor prognosis in patients.Results:The MLD, MLA, FFR, SDNN, SDANN, and RMSSD in the case group were all lower than the control group, while the TPV and LF/HF were higher than the control group (t=24.128，25.811，15.613，37.636，26.858，9.195，59.862，29.389; P<0.05). The MLD, MLA, FFR, SDNN, SDANN, and RMSSD of the severe group were lower than the moderate group, mild group, while the TPV and LF-HF of the mild group were higher than the moderate group, mild group (F=190.291，51.562，186.482，42.084，44.413，22.541，56.503，109.983; P<0.05). MLD, MLA, FFR, SDNN, SDANN, and RMSSD are all negatively correlated with Gensini score, while TPV and LF-HF are positively correlated with Gensini score (r=-0.352，-0.377，-0.445，-0.472，-0.332，-0.356，0.401，0.355; P<0.05). According to statistics, the incidence of poor prognosis in 210 patients with coronary heart disease was 38.10% (80/210). The MLD, MLA, FFR, SDNN, SDANN, and RMSSD of the poor prognosis group were lower than the good prognosis group, while TPV and LF-HF were higher than the good prognosis group (t=6.827，12.219，19.313，6.097，7.097，5.027，7.088，12.465; P<0.05). High MLA, FFR, and SDNN are protective factors for poor prognosis of coronary heart disease, while higher values than LF/HF are risk factors for poor prognosis of coronary heart disease. The combined detection of FFR and SDNN has a better AUC value for predicting poor prognosis of coronary heart disease than the detection of FFR and SDNN alone (Delong test, P<0.05）.Conclusion:CTA and DCG can objectively evaluate the degree of coronary stenosis in patients with coronary heart disease, and combined detection of FFR and SDNN can be an important auxiliary tool for predicting poor prognosis of coronary heart disease.

心房分离（atrial dissociation）有阻滞性心房分离和干扰性心房分离之分。其中阻滞性心房分离又称为局限性完全性心房内传导阻滞或心房脱节，系指心房肌的某一部分与心房肌的其余部分，分别由两个独立的、互不干扰的起搏点所激动。通常前者由心房内异位起搏点控制，且绝不下传心室；后者多由窦性节律控制，且下传心室产生QRS波群

目的 探讨与分析回旋支急性闭塞的心电图表现及相关临床表现和病变血管特点。方法 选择2018年1月—2023年6月在鹤壁市人民医院诊治的回旋支闭塞引起急性心肌梗死46例,检测与调查患者的心电图表现、相关临床表现、病变血管特点,随访患者的预后情况。结果 在46例患者中,冠状动脉造影检查判断为近中段闭塞23例（近中段组）,远段闭塞23例（远段组）。近中段组与远段组一般资料比较差异无统计学意义（P>0.05）。近中段组的心电图特征中的ST V1~ V3压低、ST Ⅱ、Ⅲ、aVF抬高、ST Ⅱ、Ⅲ、aVF压低、TV2>TV5、ST Ⅰ~aVL压低、ST Ⅰ~aVL 抬高、ST V7~V9抬高等占比分别为60.87%、47.83%、8.70%、43.48%、69.57%、17.39%、60.87%,远段组的占比分别为4.35%、82.61%、0%、17.39%、30.43%、8.70%、60.87%;近中段组与远段组心电图表现有相似处及各自特征。所有患者随访至2023年8月1日,近中段组与远段组的平均随访时间为（32.69±4.20）个月与（32.92±3.28）个月,近中段组与远段组心血管不良事件发生率比较差异无统计学意义（P>0.05）。受试者操作特征（ROC）曲线分析显示心电图对近中段回旋支急性闭塞患者的预测曲线下面积为0.793（95%CI：0.678~0.914,P=0.000）,灵敏度为78.22%,特异度为81.91%。结论 心电图在急性梗死患者的应用能辅助判定梗死相关动脉回旋支状况,可辅助判断患者的梗死部位,对患者的预后评估也具有重要价值。

Objective To explore and analysis the electrocardiogram manifestations,related clinical manifestations and pathological vascular characteristics of acute occlusion of the circumflex branch. Methods A total of 46 cases of acute myocardial infarction caused by circumflex branch occlusion diagnosed and treated in Hebi People's Hospital from January 2018 to June 2023 were selected as the study subjects,and the electrocardiographic manifestations,related clinical manifestations and characteristics of diseased blood vessels of the patients were detected and investigated,and the prognosis of the patients was followed up. Results Among the 46 patients,23 cases were diagnosed with proximal mid-segment occlusion（proximal mid-segment group）and 23 cases were diagnosed with distal segment occlusion（distal segment group）by coronary angiography．There was no significant difference in the comparison of the general data of the two groups（P>0.05）．The ECG features of ST V1- V3 depression,ST Ⅱ,Ⅲ,aVF elevation,ST Ⅱ,Ⅲ,aVF depression,TV2>TV5,ST I-aVL depression,ST I-aVL elevation and ST V7-V9 elevation in the proximal mid-segment group were 60.87%,47.83%,8.70%,43.48%,and 69.57%,17.39%,60.87%,and 4.35%,82.61%,0%,17.39%,30.43%,8.70%,60.87% in the distal segment group;there were similarities in the electrocardiographic manifestations of the proximal mid-segment group and the distal segment group as well as their respective characteristics．All patients were followed up until August 1,2023,and the mean follow-up time of the proximal mid- and distal segment groups was 32.69±4.20 months versus 32.92±3.28 months,and the incidence of adverse cardiovascular events was 26.09% in the proximal mid-group．There was no difference in the incidence of cardiovascular adverse events between the two groups（P>0.05）．ROC curve analysis showed that the area under the prediction curve of electrocardiogram for patients with acute occlusion of the proximal circumflex artery were 0.793（95% CI：0.678-0.914,P<0.001）,sensitivity was 78.22% and specificity was 81.91%．Conclusions Electrocardiogram has important predictive value in diagnosing acute myocardial infarction in which the infarct related artery is a circumflex branch．It can auxiliary determine the infarct site of patients and also auxiliary evaluate the prognosis of acute myocardial infarction patients．

目的 通过比较二胎孕妇和初产孕妇心电图变化探讨其对妊娠结局的影响。方法 随机选取300例孕妇,其中150例二胎孕妇为观察组,150例初产孕妇为对照组。观察2组孕妇异常心电图的类型及发生率,分析异常心电图与妊娠结局的关系。结果 初产孕妇组异常心电图35例,心电图异常发生率为23.3%,二胎孕妇组异常心电图50例,心电图异常发生率为33.3%,两组心电图异常发生率差别有统计学意义(P<0.05)。二胎孕妇组窦性心动过速、室性早搏及ST-T改变的发生率显著高于初产孕妇组,差异有统计学意义(P<0.05)。二胎孕妇心电图异常组的剖宫产率和早产率均高于二胎孕妇心电图正常组、初产孕妇心电图正常组,差别有统计学意义(P>0.05)。结论 二胎孕妇易合并心电图异常改变,心电图异常会增加剖宫产和早产的发生率,临床医生在诊治此类患者时应提高警惕。

Objective To observe the relationship between electrocardiogram(ECG) and pregnancy outcomes of the second pregnant women. Methods Pregnant women were divided into two groups by parity history: the second pregnancy group and the Primipara group. The incidence of abnormal electrocardiogram was recorded, then the pregnancy outcome including the delivery mode and the premature birth rate were followed up. Results The incidence of abnormal ECG in the second pregnancy group was significantly higher than that in primipara group(P<0.05) and the incidences of Nodal tachycardia, Premature ventricular contraction, ST-T changes in the group of the second pregnancy were higher than that in the group of Primipara (P<0.05). The incidence of cesarean delivery and premature birth in the second pregnancy group with abnormal ECG group was significantly higher than that in pregnant women with normal ECG group (P<0.05). Conclusion The second pregnant women are more likely to have ECG abnormality, the pregnant women with abnormal ECG are easily suffer from cesarean delivery and premature birth.