Results 21 to 30 of about 949,538 (305)

Heart Rate Variability and Heart Rate Recovery as prognostic factors [PDF]

open access: yesMedicine and Pharmacy Reports, 2015
Background Heart rate (HR) can appear static and regular at a time at rest, during exercise or recovery after exercise. However, HR is constantly adjusted due to factors such as breathing, blood pressure control, thermoregulation and the renin-angiotensin system, leading to a more dynamic response that can be quantified using HRV (heart rate ...
openaire   +2 more sources

The effects of the rate of reoxygenation on the recovery of hypoxemic hearts [PDF]

open access: yesThe Journal of Thoracic and Cardiovascular Surgery, 1995
R E F E R E N C E S 1. Edwards FH, Hale D, Cohen A, Thompson L, Pezzella T, Virmani R. Primary cardiac valve tumors. Ann Thorac Surg 1991;52:1127-31. 2. Cole DJ, Hendren WG, Sink JD, D'Amato PH. Myxoma attached solely to the tricuspid valve. Am J Cardiol 1989;64:546-7. 3. Suri RK, Pattankar VL, Singh H, Aikat BK, Gujral JS.
A. CORNO   +3 more
openaire   +2 more sources

RapidHRV: an open-source toolbox for extracting heart rate and heart rate variability [PDF]

open access: yesPeerJ, 2022
Heart rate and heart rate variability have enabled insight into a myriad of psychophysiological phenomena. There is now an influx of research attempting using these metrics within both laboratory settings (typically derived through electrocardiography or
Peter A. Kirk   +3 more
doaj   +2 more sources

Improvement of heart rate recovery after exercise training in older people. [PDF]

open access: yes, 2005
Twenty-four subjects aged 70 and older were retrospectively selected from our archives and screened for symptoms of cardiovascular disease. Baseline exercise test was negative for myocardial ischemia in all subjects.
De Lorenzo A.   +6 more
core   +1 more source

Heart Rate Recovery [PDF]

open access: yesCirculation, 2004
How quickly the heart rate recovers after treadmill exercise testing has been the subject of much interest over the last several years. The observations of Imai et al1 first prompted the clinical evaluation of heart rate recovery. In healthy subjects, athletes, and patients with heart failure, they demonstrated that early (within 1 minute) heart rate ...
openaire   +1 more source

Impairments in hemodynamic responses to orthostasis associated with frailty : results from The Irish Longitudinal Study on Ageing (TILDA) [PDF]

open access: yes, 2018
Objectives To characterize the relationships between orthostatic blood pressure (BP) and heart rate recovery and frailty in an older population. Design Cross‐sectional study. Setting Two health centers in the Republic of Ireland.
Fan, Chie Wei   +5 more
core   +5 more sources

Influence of different characteristics of sport on heart rate recovery in elite athletes [PDF]

open access: yesMedicinski Podmladak, 2016
Introduction: One of the benefits of regular physical activity is lower resting heart rate and its faster recovery after maximal exercise test, as a result of a stronger parasympatic (vagal) tone.
Anđić Radovan   +2 more
doaj   +1 more source

Pengaruh Pemberian Minuman Vitamin C dengan VO2 Max, Pemulihan Denyut Nadi, dan Masa Pemulihan

open access: yesJurnal Kesehatan Andalas, 2022
Vitamin C, as one of the antioxidants in energy drinks, plays an essential role in physical endurance. Modified Harvard step test is a cardiac endurance test to assess cardiac fitness based on VO2 max, heart rate recovery, and recovery period. Objectives:
Fandy Ong Jaya, Eka Roina Megawati
doaj   +1 more source

Heart Rate Recovery and Tissue Doppler Echocardiography in Heart Failure [PDF]

open access: yesClinical Cardiology, 2010
AbstractBackgroundPrevious research has demonstrated the prognostic value of echocardiography with tissue Doppler imaging (TDI) in the heart failure (HF) population. Heart rate recovery (HRR) has also recently shown promise as a prognostic marker.HypothesisWe hypothesize echocardiography with TDI and HRR will be significantly correlated and both will ...
M. Guazzi   +6 more
openaire   +2 more sources

Heart Rate Recovery Is Impaired in Patients with Psoriasis [PDF]

open access: yesMedical Principles and Practice, 2013
<b><i>Objective:</i></b> The aim of this study was to investigate the relationship between psoriasis and heart rate recovery (HRR) index. <b><i>Patients and Methods:</i></b> A total of 50 patients with a diagnosis of psoriasis and 32 healthy volunteers were included in the study. In all patients, a stress
KAYA, Mehmet Güngör   +9 more
openaire   +6 more sources

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