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- The DAR and the dispersion of local activation time (AT diff) and that of the action potential duration (APD diff) were measured and calculated. 測量、計算心房復極離散度(RTd)及動(dòng)作電位時(shí)限和局部沖動(dòng)時(shí)間的離散度 (APDd、ATd)。
- Results Cardiomyoctes in rabbit RVOT showed marked dispersion in action potential (AP) repolarization and action potential duration(APD). 結果RVOT心肌細胞動(dòng)作電位表現出復極離散度較RV大。
- Based on the adjusted model the effects of different defibrillation waveforms on cell action potential duration (APD) were studied. 結果雙相電場(chǎng)脈沖比單相脈沖更多地擴展細胞的動(dòng)作電位時(shí)程；
- Themost prominent effect of sotalol was the prolongation of action potential duration(APD)and effective refractory perid(ERP)of the SAN,AVN,atrial and His-bun-dle cells. 標本被驅動(dòng)時(shí),心房SAN 逆傳時(shí)間與房-室傳導時(shí)間均被 Sot 延長(cháng)。
- Action potential duration(APD) at 30%,50% and 90% repolarization(APD30,APD50,APD90),effective refractory period(ERP),amplitudes of action potential and resting membrane potential were obtained. 用充滿(mǎn)3mol/L氧化鉀的玻璃微電極插入心房肌,記錄動(dòng)作電位。 觀(guān)察復極30%25、50%25、90%25時(shí)的動(dòng)作電位時(shí)程(APD30、APD50、APD90)、有效不應期(ERP)、動(dòng)作電位振幅(APA)、靜息電位(RMP)。
- PVC had longer action potential duration (APD) than LAC, and therefore a second plateau response could be induced easily, suggesting a strong tendency of early afterdepolarization (EAD) genesis in PVC. 發(fā)現PVC動(dòng)作電位時(shí)程(action potential duration, APD)較LAC的明顯延長(cháng),并可以誘發(fā)出第二平臺反應。
- Effects of Bepridil on Action Potential Duration and Main Ion Currents Involved in the Depolarization and Repolarization of Isolated Guinea Pig Ventricular Myocytes. Bepridil對豚鼠心室肌細胞動(dòng)作電位時(shí)程和跨膜離子流的作用。
- At the single-cell leel, upregulation of the L-type Ca2+ current ICa,L steepened restitution cures of action potential duration and conduction elocity compared with the control. 和對照組相比，在單個(gè)細胞水平，上調L-型鈣通道的離子流可以導致動(dòng)作電位持續時(shí)間和傳導速率的重建曲線(xiàn)變的陡峭。
- The results indicated that in normal, ventricular muscle, inosine prolonged the action potential duration [APD_(10), APD_(50)]，especially at the early phase of repolarization. 結果表明肌苷使正常心肌細胞動(dòng)作電位時(shí)間[APD_(10)、APD_(50)]延長(cháng)。
- It was shown that EBP could prolong APD_(20) and APD_(90) (at 20% and 90% of repolarization in action potential duration)markedly, while over shoot(OS), resting potential(RP), amplitude of the action Potential(APA)and V_(max) were not affected. 結果表明EBP能明顯延長(cháng)APD_(20)和APD_(90)。 但對動(dòng)作電位幅度(APA)靜息電位(RP),超射(OS)和零期最大上升速率(V_(max))無(wú)顯著(zhù)影響。
- Coronary occlusion resulted in significant diminution in amplitude of action potential (APA) and maximal depolarization rate of phase O (dv/dt), and decrease in action potential duration at 50% repolarization (APD_(50)) and 90% repolarization (APD_(90)). 阻斷冠脈引起動(dòng)作電位振幅(APA)和零期最大除極速度(dv/dt)明顯降低以及復極50%25時(shí)程(APD_(50))和復極90%25時(shí)程(APD_(90))明顯縮短。
- Results Antiarrhythmic effect of COE may be related to its prolongation of action potential duration, increase of the absolute value of resting potential and a decrease of autonomy of sinus node. 結果山茱萸提取液抗心律失常作用可能與延長(cháng)心肌動(dòng)作電位、增大靜息電位絕對值和降低竇房結自律性有關(guān)。其抗心律失常的有效部位為總有機酸和一種未知的微量成分。
- At the single-cell level, upregulation of the L-type Ca2+ current ICa,L steepened restitution curves of action potential duration and conduction velocity compared with the control. 和對照組相比，在單個(gè)細胞水平，上調L-型鈣通道的離子流可以導致動(dòng)作電位持續時(shí)間和傳導速率的重建曲線(xiàn)變的陡峭。
- DST markedly shortened the action potential duration (APD ) in dose-dependency (r=-0. 987); DST顯著(zhù)縮短豚鼠心肌單細胞的動(dòng)作電位時(shí)程（APD），呈劑量依賴(lài)關(guān)系（r=-0.;987）;
- ventricular muscle field action potential duration 心室肌場(chǎng)電化時(shí)程
- action potential duration restitution 動(dòng)作電位時(shí)程恢復
- monophasic action potential duration 單相動(dòng)作電位
- action potential duration, APD 動(dòng)作電位時(shí)程
- isoproterenol-induced shortening of action potential duration 異丙腎上腺素引起動(dòng)作電位時(shí)間縮短
- Results: 1) E2 or P prolonded AP duration (APD20, APD50, APD90 and APD), RPT and DPT, slowed down the maximal rate of rise of phase 0(Vmax), decreased the action potential amplitude(APA). 結果:1)E_2與P單獨作用均可使家兔竇房結細胞動(dòng)作電位時(shí)程(APD_(20)、APD_(50)、APD_(90)、APD)延長(cháng),動(dòng)作電位幅度(APA)及0期最大除極速率(V_(max))明顯降低,0期除極時(shí)間(DPT)延長(cháng)。
