Results 1 to 10 of about 121,022 (232)

Creatine monohydrate increases skeletal muscle microvascular blood flow and promotes lipid mobilization in postmenopausal women [PDF]

open access: yesJournal of the International Society of Sports Nutrition
Background Postmenopausal females have an elevated cardiovascular disease (CVD) risk, induced partly by reduced skeletal muscle microvascular blood flow (SMBF), elevated reactive oxygen (ROS), and impaired meal metabolism (glycerol, glucose, lactate ...
Paul A. Baker   +9 more
doaj   +2 more sources

Reframing SpO2 tolerance as a physiological switch: implications for hypoxic adaptation and exercise regulation [PDF]

open access: yesFrontiers in Physiology
Blood oxygen saturation (SpO2) is a widely used oxygenation index in clinical and physiological settings. However, recent phenomena, such as asymptomatic hypoxia in COVID-19 and the superior performance of athletes in high-altitude conditions under ...
Enomoto Yuri   +3 more
doaj   +2 more sources

Changes in central and peripheral hemodynamic parameters during blood donation [PDF]

open access: yesFrontiers in Cardiovascular Medicine
BackgroundBlood donation is a common procedure, yet its acute effects on central and peripheral hemodynamics are not fully understood. This study aimed to systematically quantify immediate cardiovascular changes induced by whole blood donation in healthy
Babak Yazdani   +13 more
doaj   +2 more sources

Educational impact of an active learning session with 6-lead mobile electrocardiography on medical students’ knowledge of cardiovascular physiology during the COVID-19 pandemic in the United States: a survey-based observational study [PDF]

open access: yesJournal of Educational Evaluation for Health Professions, 2022
Mobile electrocardiogram (ECG) devices are valuable tools for teaching ECG interpretation. The primary purpose of this follow-up study was to determine if an ECG active learning session could be safely and effectively performed during the coronavirus ...
Alexandra Camille Greb   +4 more
doaj   +1 more source

The Variation in the Diastolic Period with Interventricular Septal Displacement and Its Relation to the Right Ventricular Function in Pulmonary Hypertension: A Preliminary Cardiac Magnetic Resonance Study

open access: yesDiagnostics, 2022
Background: Pulmonary hypertension (PH) is known to alter the biventricular shape and temporal phases of the cardiac cycle. The presence of interventricular septal (IVS) displacement has been associated with the severity of PH.
Fan Yang   +8 more
doaj   +1 more source

Monitoring one heart to help two: heart rate variability and resting heart rate using wearable technology in active women across the perinatal period

open access: yesBMC Pregnancy and Childbirth, 2022
Highlights • Continuous monitoring of heart rate variability and resting heart rate throughout the perinatal period has not been previously performed. • Prior studies have indicated heart rate variability changes per trimester.
Shon P. Rowan   +4 more
doaj   +1 more source

Nitrate-rich beet juice intake on cardiovascular performance in response to exercise in postmenopausal women with arterial hypertension: study protocol for a randomized controlled trial

open access: yesTrials, 2023
Background There is no evidence of the use of beetroot juice with a previously recommended dose of nitrate (NO3) (> 300 mg) on the cardiovascular performance during and recovery following exercise in postmenopausal women with systemic arterial ...
Cicero Jonas R. Benjamim   +14 more
doaj   +1 more source

Psychotherapy Participants Show Increased Physiological Responsiveness to a Lab Stressor Relative to Matched Controls

open access: yesFrontiers in Psychology, 2014
Accumulating evidence indicates that psychotherapy participants show increased physiological responsiveness to stress. The purpose of the present study was to examine differences between individuals participating in outpatient psychotherapy and matched ...
Patrick R Steffen   +4 more
doaj   +1 more source

Arterial Stiffness, Central Blood Pressure, and Cardiac Biomarkers in Long-Distance Walkers

open access: yesArtery Research, 2019
The cardiovascular effects of long-distance and -duration activities and their relationship with arterial stiffness and cardiac biomarkers are still unclear.
Wátila Moura Sousa   +9 more
doaj   +1 more source

Special Patient Populations for the Senior Medical Student Entering Surgery

open access: yesMedEdPORTAL, 2014
Introduction Postoperative management of special patient populations are important topics that are not uniformly covered in medical schools. We developed a competency-based course for incoming surgical interns incorporating didactics and small-group ...
Mara Antonoff   +2 more
doaj   +1 more source

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