... an association between CH 4 and vagal dysfunction as well as the inhibition of CH 4 activity on ileal contractions with atropine, suggesting its action on the parasympathetic nervous system. Given these findings, we hypothesized that CH 4 may be affecting resting heart rate (HR) based on the potential effect...

...Jeffrey S. Borer; Karl Swedberg; Michel Komajda; Ian Ford; Luigi Tavazzi; Michael Böhm; Christophe Depre; Yuna Wu; Juan Maya; Fabienne Dominjon Objectives: In the Systolic Heart Failure Treatment with the I f Inhibitor Ivabradine Trial (SHIFT), slowing of the heart rate with ivabradine reduced...

... in subpopulations seen in clinical practice as they often differ from those of randomized trials. Methods: Data were pooled from three German observational studies with similar inclusion criteria (stable angina and heart rate ≥60 bpm). All patients received 2.5, 5, or 7.5 mg b.i.d. of ivabradine for 4 months...

...Ehimen C. Aneni; Ebenezer T. Oni; Chukwuemeka U. Osondu; Seth S. Martin; Michael J. Blaha; Emir Veledar; Arthur S. Agatston; Theodore Feldman; Jose A.M. Carvalho; Raquel D. Conceição; Raul D. Santos; Khurram Nasir Objective: To assess the impact of aerobic fitness on exercise heart rate (HR...

... in sinus rhythm and had a resting heart rate ≥70 bpm (12-lead electrocardiography). Patients had to be on stable background treatment for ≥4 weeks at entry, according to heart failure guidelines in force at the time the trial was performed [ 9 ]. Background treatment had been uptitrated as far...

... received 2 cups. Blood pressure and heart rate were measured prior to coffee and every hour thereafter for 5 h. A 12-lead digital Holter recorded continuously, and RR, QT, and QTc intervals were obtained every 30 min. Results : Following coffee, RR increased from 802 ± 102 to 873 ± 126 ms (p = 0.001), QT...

...Konstantinos Dean Boudoulas; Jeffrey S. Borer; Harisios Boudoulas It has long been known that life span is inversely related to resting heart rate in most organisms. This association between heart rate and survival has been attributed to the metabolic rate, which is greater in smaller animals...

... factors Diabetes mellitus Heart rate Heart rate variability Pathophysiology Many studies have shown a significant association between heart rate (HR) and cardiovascular (CV) and all-cause mortality in the general population and individuals with various diseases [ 1,2,3 ]. Described by simple...

...Caroline J. Magri; Robert G. Xuereb; Stephen Fava Objectives: The aim of this study was to identify factors which are independently associated with non-dipping heart rate (HR) in a type 2 diabetic population at high risk of cardiovascular disease. Methods: The study recruited 179 type 2 diabetic...

...) or metoprolol CR/XL 200 mg once daily for 3 days. Results: Metoprolol CR/XL 200 mg once daily gave more pronounced suppression of peak heart rate, with lower peak and less variation in peak to trough plasma levels. There were no differences in AUC between the CR/XL and IR formulations, although the trough...

...Saket Girotra; Dalane W. Kitzman; Willem J. Kop; Phyllis K. Stein; John S. Gottdiener; Kenneth J. Mukamal Objectives: To determine the relationship between heart rate response during low-grade physical exertion (6-min walk) with mortality and adverse cardiovascular outcomes in the elderly. Methods...

..., and hospitalization for heart failure or stroke associated with atrial fibrillation. Results: Cardiovascular events occurred in 19 patients during a mean follow-up of 10.1 years. Neither arrhythmia information nor autonomic information as assessed by heart rate variability and turbulence significantly differed...

...David Busseuil; Yanfen Shi; Mélanie Mecteau; Geneviève Brand; Marc-Antoine Gillis; Eric Thorin; Caroline Asselin; Philippe Roméo; Tack Ki Leung; Jean-Gilles Latour; Christine Des Rosiers; Muriel Bouly; Eric Rhéaume; Jean-Claude Tardif Objectives: To determine if heart rate (HR) reduction...

... responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements. Syncope Heart rate Autonomic nervous system Sympathetic nervous system Parasympathetic nervous system CARDIOLOGY Monther Boulos Stephen...

...Hans Bjørnstad; Liv Storstein; Helge Dyre Meen; Ottar Hals We have investigated resting electrocardiograms in 1,299 athletic students and 151 sedentary control subjects. Bradycardia was significantly more common in athletes. The athletic group was divided according to a heart rate < 50, 50-100...

...) who did not receive the drops. Rest and exercise parameters were affected in groups A and B, while the results of group C resembled those of the controls: (a) resting heart rate – 66.7, 66.6, 70.9 and 69.3, respectively (p = 0.03); (b) heart rate at 50 and 100 W- 104, 107, 110 and 111 (p = 0.01...

...-hypertensive smokers ( > 20 cigarettes daily) were compared with 2 comparable groups of non-smokers. All subjects were asked to smoke 4 cigarettes during 1 h; blood pressure (BP) and heart rate (HR) were monitored beat-to-beat by a non-invasive device (Finapres Ohmeda) during the smoking period and during...

... Cavallini0 Paolo Gillib Bruno Bagnic Ettore C. degli Ubertia a Endocrinology Section, Department of Internal Medicine, University of Ferrara; b Department of Nephrology and c Nuclear Medicine Service, S. Anna Hospital, Ferrara, Italy Keywords Natriuretic peptides, atrial Blood pressure Heart rate Chronic...

...Carl Foster; Nancy N. Thompson; Steven Bales Previous studies have shown that the absolute power output required to produce a desired training heart rate could be predicted from the power output-heart rate relationship during exercise testing. The intent of this study was to develop an equation...

... volunteers (6 men and 4 women, 16–76 years old), we investigated the circadian variability of ANP and its temporal relation with the circadian rhythms of blood pressure (BP) and heart rate (HR), by using a chronobiological inferential statistical method. At the end of a synchronizing period of 1 week...