نتایج جستجو برای: dysrhythmias
تعداد نتایج: 634 فیلتر نتایج به سال:
Practolol (I.C.I. 50172) was used to treat supraventricular dysrhythmias in 32 patients with a rapid ventricular rate and with heart disease of varied aetiology. In 26 patients the average reduction in ventricular rate was 75 per minute, while immediate reversion to sinus rhythm occurred in three patients. The slowing effect was mainly due to a direct action on the atrioventricular node. The ef...
Gastric dysrhythmias, such as tachy- or bradygastria, have been reported in patients with functional dyspepsia (FD), but their role in symptom production is uncertain. It is also not known whether gastric dysrhythmias in these patients can be elicited by physiological gastric distension with a meal. We investigated the relationships between symptoms after ingestion of different volumes of water...
• Electrical stimulation of a variety of sites in the central nervous system of cats, dogs, and monkeys has been shown to produce electrocardiographic changes." Clinical observations of patients with central nervous system lesions also suggest that the nervous system may play a role in the production of electrocardiographic changes in man.Electrocardiographic findings ranging from changes in ST...
The clincopathologic features of 14 cases of sudden death attributable to dysrhythmias associated with the myxomatous mitral valve are described. The patients were 14-59 years old (mean 27 +/- 11 years). Eleven were female and three male. Of the seven ECGs available, none showed prolongation of the QT interval, but two showed repolarization abnormalities. The material was classified according t...
• Electrical stimulation of a variety of sites in the central nervous system of cats, dogs, and monkeys has been shown to produce electrocardiographic changes." Clinical observations of patients with central nervous system lesions also suggest that the nervous system may play a role in the production of electrocardiographic changes in man.Electrocardiographic findings ranging from changes in ST...
Myocardial ischemia, as well as the induction agents used in anesthesia, may cause corrected QT interval (QTc) prolongation. The objective of this randomized, double-blind trial was to determine the effects of high- vs conventional-dose bolus rocuronium on QTc duration and the incidence of dysrhythmias following anesthesia induction and intubation. Fifty patients about to undergo coronary arter...
REVIEW Mild therapeautic hypothermia (MTH) has been associated with cardiac dysrhythmias, coagulopathy and infection. After restoration of spontaneous circulation (ROSC), many cardiac arrest patients undergo percutaneous coronary intervention (PCI). The safety and feasibility of combined MTH and PCI remains unclear. This is the first study to evaluate whether PCI increases cardiac risk or compr...
Nausea and gastric dysrhythmias occur in conditions associated with gastric distension. The roles of distal and proximal gastric mechanoreceptors in these responses are unexplored. Because antral distension induces vomiting in animals and antral and fundic vagal afferent discharges differ, we hypothesized that distal gastric distension in humans leads to greater symptomatic and dysrhythmic resp...
The problems encountered in the management of pregnant patients with valvular, congenital and ischaemic heart disease are described with the help of illustrative cases. The increased incidence of cardiac dysrhythmias in pregnancy is also discussed.
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