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Ventricular tachcardia

No abstract text is available yet for this article.
1963: Marseille Médical
No abstract text is available yet for this article.
August 1962: Der Anaesthesist
N Kanzato, I Nakasone, O Sunagawa, Y Komine, K Fukiyama
A 69-year-old Japanese woman initially noticed difficulty in squatting in the last two years, followed by nasal voice, fatiguability in mastication, and blepharoptosis. On admission to our hospital, in addition to these neurological findings, we detected ectopic arrhythmia and Levine II systolic murmur at the apex region, without any subjective symptoms. The serum titer of anti-acetylcholine receptor antibody was elevated to 28 nmol/l (normal: < 0.2), and she responded to repetitive nerve stimulation at a frequency of 3 Hz showing 13% waning, she had positive test for edrophonium administration, and was diagnosed as having myasthenia gravis (MG)...
November 2001: Rinshō Shinkeigaku, Clinical Neurology
Y C Zhuang
Acute myocardial ischemia and reperfusion in 49 young pigs were produced by balloon occlusion of the left anterior descending coronary artery. Alternations of ST segment and T wave (STTA) were detected in 33 pigs during ischemia. They started at 30 seconds to 14 minutes (mean 5.4 +/- 4.1 minutes) after occlusion and maintained for 4.0 +/- 3.4 minutes. The start and end of STTA might be gradual or abrupt. Abrupt STTA provoked by ventricular premature beat (VPB), and might be reset by VPB and short run of non-sustained repetitive ventricular firing...
March 1993: Zhonghua Yi Xue za Zhi [Chinese medical journal]
R B Kleiman, D J Callans, B G Hook, F E Marchlinski
Previous generations of implantable cardioverter defibrillators (ICDs) required invasive electrophysiological testing to assess defibrillator function. Newer third-generation ICDs include the capability for performing noninvasive programmed stimulation (NIPS) and may reduce the need for invasive studies to assess tachycardia recognition and antitachycardia therapy algorithms. The effectiveness of ICD-based NIPS for the induction of ventricular arrhythmias has not, however, been formally assessed. Third-generation ICDs were implanted in 79 patients, who underwent a total of 166 postoperative defibrillator tests...
September 1994: Pacing and Clinical Electrophysiology: PACE
M Shenasa, S Willems, X Chen, M Fromer, M Borggrefe
Transcatheter ablation techniques are emerging as an alternative therapeutical tool in the management of cardiac arrhythmias. Catheter ablation was initially introduced as the last resort to ablate the atrioventricular nodal conduction in patients with atrial fibrillation and uncontrolled ventricular response and in patients with drug refractory ventricular tachycardias. Direct current energy was used as the sole source of energy, but because of potential significant complications and early and late mortality, presumably mostly due to ventricular tachyarrhythmias, other sources of energy were sought...
June 1992: Herz
R D Gupta, P F Binnion
Thirty intact dogs were studied to determine digoxin concentration in various tissues after ventricular tachycardia had been induced by digoxin infusion. A control group was infused solely with digoxin. A second group was made acutely hypokalemic by glucose-insulin infusion before the digoxin infusion. A third group was infused with glucose and digoxin to determine the effect of increased blood glucose levels and osmalarity on the induction of ventricular tachycardia. Results were: (1) The amount of digoxin infused to produce ventricular tachycardia did not differ getween the normal and hypokalemic groups...
1976: Physiological Chemistry and Physics
H S Karagueuzian, J J Fenoglio, M B Weiss, A L Wit
The effects of premature ventricular stimuli were studied in two groups of dogs with infarcts, one group subjected to permanent occlusion of the left anterior descending coronary artery and the other to temporary occlusion for 2 hours. In dogs with permanent occlusion, spontaneous ventricular arrhythmias occurred after 3-6 hours. In 13 dogs with temporary occlusion, ventricular arrhythmias occurred immediately after reperfusion and then persisted. In five dogs with temporary occlusion, ventricular arrhythmias did not occur spontaneously until 13-15 hours after occlusion...
June 1979: Circulation Research
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