右房

本文报告39例临床上除外右房肥大的P波高电压，此种P波高电压主要见于冠心病及急性颅脑疾患，二者之和占76.9%。

Thirty nine cases with high voltage P wave not due to right atrial hypertrophy were reported .

PR间期正常，左、右房收缩同步。

Both left and right atria were contracting simultaneously .

右房舒张早期排空率参数估测COPD患者肺动脉压的价值

Right Atrial Early Diastolic Emptying Rate Parameter for the Assessment of mPAP in COPD

目的探讨通过局灶性房性心动过速（简称房速）发作时的P波形态初步诊断左房或右房房速。

Objective The aim of our study is to differentiate left atrial from right atrial tachycardia on the basis of P wave configuration during focal atrial tachycardia ( AT ) .

除T6时点，左房血CO含量均明显高于同时点右房血（P<0.05）；

The left atria CO was significantly higher than that in the right atria except T6 ( P < 0.05 );

结论风心病慢性AF与窦性心律患者右房肌细胞闰盘结构存在差异，这些改变可能是导致风心病患者右房AF的重要病理基础。

Conclusions There were not significant difference in the change of ASG of right atrial myocardium between AF and SR with RHD .

观察右房左室起搏对充血性心力衰竭（CHF）患者急性血流动力学的影响。

To observe the changes of acute hemodynamic in right atrial-left ventricular pacing in patients with congestive heart failure ( CHF ) .

PV1起始指数（IPIV1）对右房异常诊断价值的探讨

Diagnostic Value of Initial P-V_1 Index in Left Atrial Abnormalities

术中当导管自下腔静脉进入右房后即可用2DE显示导管的形态及走向，一般可显示导管长度2～7cm。

The average length of the catheter that 2DE showed was 2 ~ 7cm .

分别从右房取5ml血液。测定CK-MB水平。同时检测丙二醛含量和肌酸激酶同工酶活性。

Serum levels of the MB isoenzyme of creatine kinase ( CK - MB ) were measured .

多因素Logistic逐步回归分析结果显示，手术方式（右房与右室连接、右房与肺动脉连接）、术后右房压和术后严重低心输出血量综合征与术后早期死亡有关。

Surgical mode , high postoperative right atrial pressure (≥ 20 mm ? Hg ) and postoperative severe low cardiac output syndrome were related with the early postoperative death by multiple logistic discriminant analysis .

结论：右房左室起搏似可使更多的CHF患者在得益于起搏治疗的同时明显降低医疗费用。

Conclusions : Primary results showed that right atrial-left ventricular pacing may make more patients with CHF benefit from pacing therapy and significantly reduce medical cost simultaneously .

随访患者行心脏彩超显示右房内径、右室内径及均较术前缩小（P0.01）。

Cardiac color ultrasonography during follow-up showed that the size of the right atrium and right ventricle were reduced compared with that before the surgery for all the patients ( P0.01 ) .

Ⅰ：对12例持续AFL的病人实施右房CARTO标测及多部位拖带。

ⅰ: The right atrial mapping and extensive entrainment was performed in 12 patients with ongoing AFL .

UCG示右房内一约5.6cm×4.1cm的较致密低回声团块，活动度差。

Rather compact and light echo lump of 5.6 cm × 4.1 cm were found in UCG , which mobility was poor .

方法心导管法ASD封堵术111例，经胸小切口直接由右房置入封堵器71例。

Methods One hundred and eleven patients with ASD were occluded by catheter method and seventy one patients with ASD were occluded by chest small incision method .

结论：多数AVNRT患者均可经右房和右室刺激诱发，能够引起足够长AH值的刺激部位及方法均可诱发AVNRT。

Conclusion : Majority AVNRT could be induced by right atrial and ventricular stimulating . The stimulating positions and models which could enhance enough AH can induce AVNRT .

T、T时点，左、右房血PMNs数目1612有明显差异（P<0.05）；

PMNs count in the left atria was significantly different from that in the right atria at T1 , T2 ( P < 0.05 );

结果（1）正常对照组、右房扩大组组内比较，2DE和实时Tri-plane法测值无显著性差异（P>0.05）；

The results by 2DE and tri-plane method of the normal control group and atrial dilatation group were compared respectively .

本文通过与常规顺灌技术比较，观察了在存在冠状动脉梗阻时，冷停搏液右房逆行灌注对主动脉阻断1h右心心肌的保护作用。

By comparing with the routine antegrade cardioplegia , we observed the protective effectiveness of cold retrograde right atrium cardioplegia on the right heart after 1-hour aortic clamping , in the presence of coronary artery obstruction .

结论：RFCA是治疗AT的安全、有效的方法，房速病灶部位以右房游离壁、冠状窦口私房间隔处多见。

CONCLUSION : RFCA of AT could be performed safely and successfully . The foci were mainly located in right free wall , coronary sinus ostium and interatrial septum .

所有病例均经超声心动图（UCG）诊断，全麻体外循环下胸骨正中切口入路，经房间沟、右房、左房或房间隔切开完成手术。

Cardiotomy started from midsection of the sternum , made incision through interatrial sulcus , left atrium , right atrium or interatrial septum under general anesthesia and extracorporal circulation .

8例心功能II～IV级CHF患者，分别置入右房、右室和左室电极（经冠状静脉窦），行不同部位组合起搏的急性血流动力学研究，其中6例获得成功。

Patients , with heart function II ~ IV , were implanted with right atrial , right ventricular and left ventricular leads performed by coronary sinus respectively to have acute hemodynamic research of pacing in different sites . 6 cases had been completed successfully .

方法8例AVNRT病人在射频消融前于高位右房（HRA）常规行程序电刺激诱发心动过速并实时记录。

Methods Programmed electrical stimulation was performed in high right atrium ( HRA ) in 8 patients with AVNRT before ablation to induce tachycardia and electrocardiagraphic recording was done synchronically when AVNRT occured .

文中总结了左、右房粘液瘤在症状和体征上的差别，与同期收治的274例二尖辨病变相比，IM的发病年龄多在>40岁（56.2%），后者仅为15%。

There were differences of symp - toms and signs between LAM and RAM . The percentage of patients aged more than 40 in IM was 56.2 % which was much higher than that of mitral valve disease ( 15 % ) in the same peri - od .

与无TVI的风心病患者比，TVI者肝大和房颤的发生率较高，心胸比值和右房右室较大，二尖瓣口面积较小。

Compared with patients without tricuspid insufficiency , patients with tricuspid insufficiency had higher incidence of hepatomegaly and atri-al fibrillation , larger cardiothoracic ratios and larger right atria and right ventricles , smaller mitral orifice .

结果：34例PAPVC中，肺静脉连接上腔静脉（SVC）2例，左垂直静脉1例，右房（RA）24例，冠状静脉窦6例及SVC和RA混合型1例。

RESULTS : The connection of pulmonary veins in patients with PAPVC was as follows : 2 case in superior vena cava ( SVC ), 1 in left vertical vein , 24 in right atria ( RA ), 6 in coronary sinus and 1 in both SVC and RA .

起始右房压力为0，以步长为0.392kPa递增至1.176kPa，在每个压力水平分别测定窦性心动周长（SCL）、心房有效不应期（AERP）；

All the hearts underwent a protocol with stepwise increase of right atrial pressure from 0 to 1.176 kPa by 0.392 kpa . At each pressue level , sinus cycle length ( SCL ) and atrial effective refractory period ( AERP ) were measured .

结论非接触标测系统可直观再现典型AFL的完整折返环及其与右房解剖结构的关系，确认折返机制，对复发病例可发现消融线裂隙并导航消融。

Conclusion The whole activation circuit and its relation with RA anatomical structure of typical AFL can be directly visualized and its reentry mechanism was verified by non-contact mapping system . In recurred cases , the gap of isthmus block was identified and ablated accurately .

目的介绍右房异构、单心室伴完全性肺静脉异位引流（TAPVC）的外科治疗经验和TAPVC在右房异构纠治手术中意义。

Objective : To present the experience of surgical treatment of single ventricle and total anomalous pulmonary venous connection ( TAPVC ) with right atrial isomerism , and demonstrate the significance of TAPVC to the surgical treatment in the right atrial isomerism .