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electrical pacing
Effects of electrical pacing to the preischemic rate during rewarming after hypothermic ischemia in the rat heart
      
The effects of electrical pacing during the early reperfusion following hypothermic global ischemia (60 min, at 25°C) was studied in the isolated working rat heart model.
      
Our results indicate that an electrical pacing during early reperfusion in the myocardium improves functional recovery of aortic flow.
      
Initial studies used gastric electrical pacing, which entrains and paces the gastric slow waves at a slightly higher rate than the patient's normal myoelectric frequency of 3 cycles per minute (cpm).
      
In healty, conscious dogs the heart rate was kept constant at 144 to 146 beats per minute either by vagal blockade with Atropine (0,5 mg/kg i.v.) or by electrical pacing of the heart.
      
The hearts worked against an afterload reservoir at a height equivalent to 50 mmHg, and heart rate was controlled by electrical pacing of the right atrium.
      
3) Electrical pacing helps preserve resting tension and subsequent continence.
      
These effects were independent of the bradycardia induced by U50,488H, as the reducing infarct size and antiarrhythmic effect of U50,488H were still observed in animals in which heart rate was kept constant by electrical pacing.
      
Electrical pacing increased heart rate and ANF levels.
      
Whole heart ischemia was induced by a one-way ball valve with 300 beats/min electrical pacing for 10 minutes followed by 20 minutes of aerobic reperfusion.
      
Electrical Pacing Accelerates Intestinal Transit Slowed by Fat-Induced Ileal Brake
      
Roles of Interstitial Cells of Cajal in Intestinal Transit and Exogenous Electrical Pacing
      
Biochemical consequences of electrical pacing in ischemic-reperfused isolated rat hearts
      
To prevent interference from different ischemia times and perfusing media compositions, the ischemic ATP level was varied by changing energy demand (electrical pacing at 330 min-1).
      
Before delivering the mechanical stimulus, 2-Hz electrical pacing was applied with a bipolar line electrode at the edge of the monolayer.
      
Heart rate was maintained at 360 beats/min by electrical pacing for 5 minutes before and during ischemia.
      
In addition, we did not observe any signs of muscle fatigue during electrical pacing at any of the stimulation frequencies tested.
      
Other exclusion criteria were electrical pacing or nonsinus cardiac rhythm.
      
Pulsed fluid jets were delivered to randomly selected sites while electrical pacing was turned off.
      
The R transients occurring in response to electrical pacing were recorded after a contractile steady state had been achieved.
      
 

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