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https://www.readbyqxmd.com/read/24884667/bipolar-radiofrequency-ablation-is-useful-for-treating-atrial-fibrillation-combined-with-heart-valve-diseases
#1
Lin Chen, Yingbin Xiao, Ruiyan Ma, Baicheng Chen, Jia Hao, Chuan Qin, Wei Cheng, Renguo Wen
BACKGROUND: Atrial fibrillation (AF) is a common arrhymia, and it results in increased risk of thromboembolism and decreased cardiac function. In patients undergoing cardiac surgery, concomitant radiofrequency ablation to treat AF is effective in restoring sinus rhythm (SR). This study is an observational cohort study aimed to investigate the safety and efficacy of bipolar radiofrequency ablation (BRFA) for treating AF combined with heart valve diseases. METHODS: Clinical data were analyzed retrospectively from 324 cases of rheumatic heart disease combined with persistent AF patients who underwent valve replacement concomitant BRFA...
2014: BMC Surgery
https://www.readbyqxmd.com/read/5937427/-the-frequency-and-significance-of-arrhymias-in-chronic-pulmonary-heart-disease
#2
M Toso, G F Duranti
No abstract text is available yet for this article.
March 1966: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/2557026/comparative-ability-of-digoxin-and-an-aminosugar-cardiac-glycoside-to-bind-to-and-inhibit-na-k-adenosine-triphosphatase-effect-of-potassium
#3
COMPARATIVE STUDY
E Songu-Mize, J L Gunter, R W Caldwell
We compared the abilities of digoxin and aminogalactose digitoxigenin (ASI-222) to bind to, or inhibit, purified dog heart Na+,K+-ATPase in the presence of 1, 10, or 80 mM potassium chloride. Changing the potassium concentration from 1 to 10 mM increased the dose producing 50% inhibition of enzyme activity (IC50) by 9- and 2.5-fold for digoxin and ASI-222 respectively. Raising the potassium concentration to 80 mM increased the IC50 for digoxin 3-fold but did not alter significantly the IC50 for ASI-222. Equilibrium binding studies showed that this enzyme exhibited a single class of specific binding sites for both digoxin and ASI-222...
November 1, 1989: Biochemical Pharmacology
https://www.readbyqxmd.com/read/835598/sudden-death-in-the-year-following-myocardial-infarction-relation-to-ventricular-premature-contractions-in-the-late-hospitals-phase-and-left-ventricular-ejection-fraction
#4
R A Schulze, H W Strauss, B Pitt
Both depressed left ventricular ejection fraction and ventricular arrhythmias have been associated with a poor prognosis following acute myocardial infarction. To assess the relative role of each of these parameters in predicting mortality in the early period after hospitalization for myocardial infarction, 24 hour ambulatory electrocardiographic tape recordings and gated cardiac blood pool scans were obtained in 81 patients approximately two weeks after their admission to the hospital for myocardial infarction...
February 1977: American Journal of Medicine
https://www.readbyqxmd.com/read/84416/-accidental-intoxication-with-aconitine-author-s-transl
#5
G Nicolas, P H Desjars, J F Godin, L Rozo
Involuntary ingestion of 3 mg of aconitine induces in a young woman multifocal extrasystoles and alternating periods of sinusal rhythm and junctional arrhythmia. The rhythmogenetic abnormalities disappear spontaneously within two hours. The physiopathology of arrhymias due to aconitine is discussed.
January 1978: Toxicological European Research. Recherche Européenne en Toxicologie
1
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