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Author(s):
Suketu H Nanavati
,
Robert J Bulgarelli
,
Jose Vazquez-Tanus
,
et al
Added:
3 years ago
Heart rate variability (HRV) is considered to be a means of assessing autonomic function. However, HRV alone provides mixed measures of autonomic function1–11 and, as a result, cannot provide much insight into the autonomic involvement in arrhythmia.1,6,10 When HRV analysis is employed in conjunction with respiratory activity (RA) analysis, it has been shown to independently, simultaneously, and…
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Author(s):
Maria Teresa La Rovere
,
Roberto Maestri
,
Gian Domenico Pinna
Added:
3 years ago
Arterial baroreceptors play a crucial role in the adjustment of the cardiovascular system to several surrounding conditions. In a simplified paradigm, baroreceptor stimulation results in arterial pressure changes that can modulate both sympathetic and vagal activity and, as a consequence, heart rate and myocardial electrophysiological properties, contractility and vascular resistance. Arterial…
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Author(s):
Oussama M Wazni
,
Andrea Natale
Added:
3 years ago
Atrial fibrillation (AF) affects approximately two million people in the US. It is a major cause of stroke, adversely impacts quality of life, and is associated with increased mortality.1-4 Treatment with antiarrhythmic drugs and anticoagulation is still considered first-line therapy in patients with symptomatic AF.
Recent randomized trials4,5 have shown that a strategy of rate control and…
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Author(s):
Oussama M Wazni
,
Andrea Natale
Added:
3 years ago
Atrial fibrillation (AF) affects approximately two million people in the US. It is a major cause of stroke, adversely impacts quality of life, and is associated with increased mortality.1-4 Treatment with antiarrhythmic drugs and anticoagulation is still considered first-line therapy in patients with symptomatic AF.
Recent randomized trials4,5 have shown that a strategy of rate control and…
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Author(s):
Deborah A Chyun
Added:
3 years ago
Individuals with both type 1 and type 2 diabetes mellitus (DM) are known to be at high risk for developing coronary artery disease (CAD). The risk is two to three times greater in those with DM compared with those without, and is especially high in women with DM. An additional problem in individuals with DM is that, even with severe underlying CAD, many individuals may have atypical symptoms or…
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Author(s):
Andrea Natale
,
Dimpi Patel
Added:
3 years ago
Atrial fibrillation (AF) is the most common sustained arrhythmia and is associated with an increased risk of morbidity and mortality. A subanalysis of the Atrial Fibrillation Follow-up Investigation of Rhythm Management (AFFIRM) suggests that there is a significant survival benefit in the maintenance of sinus rhythm (SR), if it can be achieved without the potential adverse effects associated with…
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Author(s):
Philip Adamson
Added:
3 years ago
A growing appreciation of the prevalence of sleep breathing disorders, especially as comorbidities of disease syndromes such as chronic heart failure, has increased interest in screening, diagnosis, and treatment of obstructive and central sleep apnea. Sleep apnea diagnosis currently requires an overnight polysomnograhic evaluation in which the disease is defined as the number of times per hour…
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Author(s):
David N Kenigsberg
,
Ken Ellenbogen
Added:
3 years ago
Atrial fibrillation (AF) is a common and recurrent arrhythmia resulting in significant morbidity and mortality.1 Our approach to the patient with AF has changed dramatically over the past decade. We have gone from palliating patients with rate controlling medications or administering antiarrhythmic medications with potential systemic side effects and proarrhythmia,2-4 to now curing many of them…
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Author(s):
Stéphane G Carlier
,
Kaoru Tanaka
,
Amin Katouzian
Added:
3 years ago
Most cases of myocardial infarction and stroke occur when a thrombus is formed on a previously stable plaque that ruptures.1 Persons at risk typically have no premonitory symptoms, and angiographic studies of coronary arteries in patients with non-fatal acute coronary syndromes (ACS) showed that most such events are due to rapid progression of mild, hemodynamically insignificant lesions.2–4…
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Author(s):
David N Kenigsberg
,
Ken Ellenbogen
Added:
3 years ago
Atrial fibrillation (AF) is a common and recurrent arrhythmia resulting in significant morbidity and mortality. Our approach to the patient with AF has changed dramatically over the past decade. We have gone from palliating patients with rate controlling medications or administering antiarrhythmic medications with potential systemic side effects and proarrhythmia, to now curing many of them with…
View more