简介:BackgroundRightbundlebranchblock(RBBB)maypresentasslurredornotchedSwaveinleadV1.However,slurredornotchedSwavemayalsorepresentslowconductioninthemyocardium.MethodsWeretrospectivelyanalyzedtheQRSpatternsinleadsV3RtoV5Rin7patientswithaslurredornotchedSwaveinleadV1.ResultsIntheleadsV3RtoV5R,6patientsshowedincompleteorcompleteRBBBand1patientslurredornotchedSwave.ConclusionsInthemajorityofECGsinasmallpatientserieswithslurredornotchedSwaveinleadV1,QRSmorphologyindicatingincompleteorcompleteRBBBwaspresentinleadsV3RtoV5R.AfindingoffragmentedQRSintheseleadsmayindicateslowconductioninthemyocardium.
简介:Acomparativestudyoftheneedle-to-liquidplasmainthecontinuousmodewithDCandACexcitationsisdetailedinthispaper.Allplasmasstudiedhereareshowntobeglowdischarges.Thisstudyisbasedonmeasurementsofseveralkeyparameters,includingelectricalenergy,opticalemissionintensitiesofactivespecies,rotationalandvibrationaltemperatures,andtemperaturesoftheneedleandliquidelectrodes.ACplasmascanproduce1.2~5timeshigherexcitedstateactivespeciesthanDCplasmasunderthesamedissipatedpower.ACexcitedliquidplasmashavethehighestenergyutilizationefficiencyamongthethreesystems(ACexcitedplasmas,DCexcitedplasmaswithwateranodeandDCexcitedplasmaswithwatercathode);mostoftheenergyisusedtoproduceusefulspeciesratherthantoheattheelectrodesandplasmas.
简介:摘要目的探讨留置针在DC-CIK细胞采血中的应用效果。方法将我科2012年2月-2013年5月95例行DC-CIK细胞免疫治疗采血的患者,分为对照组,(47例)和实验组(48例),对照组使用采血套件提供的16号穿刺针进行采血,实验组应用22号留置针进行采血,比较两组患者穿刺时的疼痛程度,一次穿刺成功率及血流速度情况。结果实验组患者穿刺时的疼痛程度,一次穿刺成功率明显优于对照组(P<0.05),两组血流速度情况比较没有统计学差异(P>0.05)。结论使用留置针为行DC-CIK细胞免疫治疗的患者采血,既能有效提高穿刺成功率,减轻患者的疼痛,又能达到采血的速度要求,收到很好的效果。