ライフサイエンスコーパス: pacing threshold

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1 s of bipolar electrode spacing on PNS and LV pacing thresholds.

2 se the PNS threshold without compromising LV pacing thresholds.

3 MRI) sensing amplitudes, lead impedances, or pacing thresholds.

4 (COI) that may result in acute elevation of pacing thresholds.

5 venous system while providing low and stable pacing thresholds.

6 s not significantly affect defibrillation or pacing thresholds.

7 lator function by raising defibrillation and pacing thresholds.

8 significantly lower than the direct current pacing threshold (0.77+/-0.45 mA, P:<0.05).

9 gmentation of the electrogram and increasing pacing threshold (3.1 +/- 3.3 mV to 7.1 +/- 3.8 mV, p <

10 Predischarge defibrillation and pacing thresholds after treatment were compared with bas

11 Regular measurements of lead impedance and pacing thresholds allow for early detection of lead insu

12 The pacing threshold and electrogram amplitude that best det

13 Pacing threshold and intracardiac electrogram amplitude

14 not always possible because of the elevated pacing threshold and the low voltage and fractionated po

15 Pacing thresholds and electrogram amplitude and characte

16 Pacing thresholds and electrogram amplitudes in the RA a

17 ay explain changes in the defibrillation and pacing thresholds and the difficulty of lead extraction

18 8 mV, respectively; median acute and chronic pacing thresholds at 0.5 ms were 0.9 and 0.7 V, respecti

19 t a COI, 5 dislodged acutely and 15 had high pacing thresholds at 10 min, requiring repositioning.

20 Paired pulse width pacing thresholds at 2.8 V were compared in 14 patients.

21 llow-up were, respectively, as follows: mean pacing threshold (at a 0.4-ms pulse width), 0.40 +/- 0.2

22 ntricular steroid leads had improved chronic pacing thresholds (at 2 years: for steroid leads, 1.9 mu

23 Changes in lead impedance, pacing threshold, battery voltage, and P-wave and R-wave

24 AC at strengths less than the regular pacing threshold can capture the ventricle at fast rates

25 layed effects including signal interference, pacing threshold changes, and premature battery depletio

26 ode spacing was reduced (P<0.05), whereas LV pacing thresholds did not change significantly (P>0.05).

27 pacing performance (sensing, impedance, and pacing threshold) either improved or were stable within

28 in 1.7%), cardiac perforation (in 1.3%), and pacing-threshold elevation requiring percutaneous retrie

29 Both agents increased pacing threshold (excitability) in the perfused region b

30 eine (200 mumol/L) significantly reduced the pacing threshold for both SR Ca(2+) and APD alternans (1

31 Ca(2+) alternans, but not APD alternans, the pacing threshold for discordance, or threshold for VF.

32 (p < 0.001), with subsequent improvement in pacing thresholds from 1.5 +/- 0.4 V to 0.8 +/- 0.3 V (p

33 effects of propafenone on defibrillation and pacing thresholds in humans.

34 tionship of COI to subsequent improvement in pacing thresholds is not clear.

35 tal fluoroscopy, lateral roentgenograms, and pacing threshold levels were studied in two groups of pa

36 ry efficacy end point was both an acceptable pacing threshold (</=2.0 V at 0.4 msec) and an acceptabl

37 to conventional CRT (n = 10), and a high CS pacing threshold or phrenic nerve capture (n = 5).

38 though electrogram amplitude correlated with pacing threshold (r=0.64, P<0.0001), many isthmuses had

39 dial scarring prohibits adequate sensing and pacing thresholds using epicardial leads.

40 The ventricular pacing threshold (VPT) and ventricular fibrillation thre

41 R-wave amplitude and pacing threshold were 12.2 +/- 6.7 mV and 0.5 +/- 0.2 V

42 Acute pacing thresholds were 2.4+/-1.0 V at a pulse duration o

43 C antiarrhythmic drug, on defibrillation and pacing thresholds were evaluated in patients undergoing

44 grams were recorded at each target site, and pacing thresholds were measured.

45 OI indicates that within 10 min of fixation, pacing threshold will return to an acceptable range even

46 Pacing threshold within the area of low voltage was lowe

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