相关实验视频

Updated: May 22, 2025

Measuring the Carotid to Femoral Pulse Wave Velocity Cf-PWV to Evaluate Arterial Stiffness
05:51

Measuring the Carotid to Femoral Pulse Wave Velocity Cf-PWV to Evaluate Arterial Stiffness

Published on: May 3, 2018

17.3K

心血管健康修改了动脉硬和大脑血流之间的关系,独立于身体活动

B M Breidenbach, I Driscoll, M P Glittenberg

    medRxiv : the preprint server for health sciences
    |March 17, 2025
    PubMed
    概括

    更高的心肺呼吸能力 (CRF) 和满足体力活动 (PA) 准则,特别是中等强度运动,可以防止增加动脉硬影响脑血流 (CBF). 这项研究强调了活跃的生活方式对大脑健康的好处.

    更多相关视频

    Assessment of Vascular Function in Patients With Chronic Kidney Disease08:50

    Assessment of Vascular Function in Patients With Chronic Kidney Disease

    Published on: June 16, 2014

    16.2K
    Measuring the Stiffness of Ex Vivo Mouse Aortas Using Atomic Force Microscopy10:35

    Measuring the Stiffness of Ex Vivo Mouse Aortas Using Atomic Force Microscopy

    Published on: October 19, 2016

    10.5K

    相关概念视频

    Exercise and Cardiovascular Response01:20

    Exercise and Cardiovascular Response

    Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
    Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
    687
    Exercise and Cardiac Output01:17

    Exercise and Cardiac Output

    Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
    Sustained exercise increases the muscles' oxygen demand, which can be...
    827
    Pathophysiology of Cardiac Performance01:29

    Pathophysiology of Cardiac Performance

    Typical heart performance is influenced by heart rate, rhythm, myocardial contraction, and metabolism or blood flow. The cardiac muscle exhibits distinct electrophysiological features, including pacemaker activity and calcium channel control, which play a vital role in the heart's response to various drugs. The autonomic nervous system, comprising the sympathetic and parasympathetic branches, regulates heart rate. Sympathetic activation increases heart rate, while parasympathetic activation...
    499
    Vascular Resistance01:20

    Vascular Resistance

    Vascular resistance is a critical concept in understanding blood flow dynamics in the circulatory system. It refers to the resistance that blood encounters as it flows through the blood vessels. This resistance is a key factor in determining blood pressure and cardiac workload.
    The primary determinants of vascular resistance are vessel diameter, blood viscosity, and vessel length. Among these, vessel diameter plays the most significant role due to the fourth power relationship described by...
    3.1K
    Cardiac Output II: Effect of Stroke Volume on Cardiac Output01:22

    Cardiac Output II: Effect of Stroke Volume on Cardiac Output

    Cardiac output (CO), the amount of blood the heart pumps per minute, is a parameter in cardiovascular physiology determined by stroke volume and heart rate. Stroke volume, the amount of blood pushed from one of the ventricles per heartbeat, is influenced by preload, afterload, and contractility.
    Preload
    Preload refers to the initial elongation of the cardiac myocytes before contraction and is related to the volume of blood filling the heart at the end of diastole, or end-diastolic volume. The...
    577
    Factors affecting Blood pressure01:28

    Factors affecting Blood pressure

    Several physiological and lifestyle factors influence blood pressure (BP). Understanding these factors is crucial as they are significant in patient education and blood pressure management.
    Physiological Factors:
    2.9K