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Objective To explore the diagnostic value of electrocardiogram (ECG) in common arrhythmias, and to provide an effective reference for clinical diagnosis of arrhythmias.Methods The clinical data of 100 arrhythmia patients in the Department of Cardiology of Rugao Peopleˊs Hospital from July 2016 to June 2018 were analyzed.All the patients were examined by dynamic ECG.The t－RR scatter plot was used to diagnose arrhythmia ,and the diagnosis results were compared between the dynamic ECG and ECG scatter plot.The efficacy of ECG scatter plot in the diagnosis of arrhythmia was analyzed.Results By ECG scatter plot , 22 cases of premature beat ,18 cases of ventricular premature beat,14 cases of atrial fibrillation,15 cases of atrial flutter,8 cases of atrial fibrillation with ventricular early,7 cases of atrial fibrillation with indoor differential transmission ,5 cases of atrial fibrillation combined with atrial flutter,89 cases of correct diagnosis ,and the total coincidence rate was 89.00%.The B line slope of the supraventric－ular premature beat point map was (0.45 ±0.13),which was the largest in each type of arrhythmia ,and the minimum ventricular premature beat was (0.08 ±0.03).The difference in the slope of the supraventricular premature beat and the ventricular premature beat B line was statistically significant (F＝5.031,P＜0.05).The atrial fibrillation,atrial flutter,atrial fibrillation and ventricular early ,atrial fibrillation accompanied with indoor had no statistically significant differences in the slope of B line (all P＞0.05).The sensitivity,specificity and accuracy of ECG in the diagnosis of arrhythmia were 82.05%,90.51%,92.57%, respectively, and the area under the curve was 0.833 (95% CI:0.271－0.942).Conclusion ECG scatter plot has a high application value in the diagnosis of arrhythmias ,and can realize the accurate diagnosis of complex arrhythmias.
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Objective@#To explore the diagnostic value of electrocardiogram (ECG) in common arrhythmias, and to provide an effective reference for clinical diagnosis of arrhythmias.@*Methods@#The clinical data of 100 arrhythmia patients in the Department of Cardiology of Rugao People's Hospital from July 2016 to June 2018 were analyzed.All the patients were examined by dynamic ECG.The t-RR scatter plot was used to diagnose arrhythmia, and the diagnosis results were compared between the dynamic ECG and ECG scatter plot.The efficacy of ECG scatter plot in the diagnosis of arrhythmia was analyzed.@*Results@#By ECG scatter plot, 22 cases of premature beat, 18 cases of ventricular premature beat, 14 cases of atrial fibrillation, 15 cases of atrial flutter, 8 cases of atrial fibrillation with ventricular early, 7 cases of atrial fibrillation with indoor differential transmission, 5 cases of atrial fibrillation combined with atrial flutter, 89 cases of correct diagnosis, and the total coincidence rate was 89.00%.The B line slope of the supraventricular premature beat point map was (0.45±0.13), which was the largest in each type of arrhythmia, and the minimum ventricular premature beat was (0.08±0.03). The difference in the slope of the supraventricular premature beat and the ventricular premature beat B line was statistically significant (F=5.031, P<0.05). The atrial fibrillation, atrial flutter, atrial fibrillation and ventricular early, atrial fibrillation accompanied with indoor had no statistically significant differences in the slope of B line (all P>0.05). The sensitivity, specificity and accuracy of ECG in the diagnosis of arrhythmia were 82.05%, 90.51%, 92.57%, respectively, and the area under the curve was 0.833 (95% CI: 0.271-0.942).@*Conclusion@#ECG scatter plot has a high application value in the diagnosis of arrhythmias, and can realize the accurate diagnosis of complex arrhythmias.
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Objective To explore the clinical application of antibiotics Ceftazidime(CAZ) and Cefotetan(CTT)by analysis susceptibility and scatter of the CAZ adn CTT against Escherichia coli(ECO) and Klebsiella pneumoniae(KPN).Methods The drug sensitivity analysis of 1 311 strains of ECO and 898 strains of KPN isolated from 2012 to 2015 and the relationship between CAZ and CTT was analyzed by using the Whonet 5.6 software.Results The resistance rate of ESBL+ KPN to CAZ was 41.2％ and the rate to CTT was 14.1％,the difference was statistically significant(P<0.05).The resistance rate of ESBL+ ECO to CAZ was 34.6％ and the rate to CTT was 1.1％,the difference was statistically significant(P<0.05).The average value of MIC of CAZ was highest in group of ESBL+KPN,it was 6.39 μg/mL.And it was lowest in group of ESBL-KPN,it was 1.37 μg/mL.The average value of MIC of CTT was highest in group of ESBL+KPN,it was 6.8 μg/mL.And the lowest was in group of ESBL-KPN.The range of MIC of CAZ was 1-64 μg/mL,and the range of CTT was 4-64 μg/mL in all groups.The cross sensitivity of CAZ and CTT was more than 90.0％.The cross resistance was less than 5.0％.The cross sensitivity of CAZ and CTT was less than 70.0％ in ESBL+ group.And the cross resistance was up to 13.4％.Conclusion The cross resistance and cross sensitivity of the two antibiotics is very important in guiding clinical antibiotic selection or replacement.