Related Experiment Video

Updated: Jul 5, 2026

Measuring Ascending Aortic Stiffness In Vivo in Mice Using Ultrasound
10:08

Measuring Ascending Aortic Stiffness In Vivo in Mice Using Ultrasound

Published on: December 2, 2014

Proximal aortic diameter and aortic pressure-flow relationship in systolic hypertension

Michael F O'Rourke, Michel E Safar, Wilmer W Nichols

    Circulation
    |May 26, 2004
    PubMed
    Abstract

    No abstract available in PubMed .

    More Related Videos

    Noninvasive Determination of Vortex Formation Time Using Transesophageal Echocardiography During Cardiac Surgery04:48

    Noninvasive Determination of Vortex Formation Time Using Transesophageal Echocardiography During Cardiac Surgery

    Published on: November 28, 2018

    Continuous Venous-Arterial Doppler Ultrasound During a Preload Challenge09:32

    Continuous Venous-Arterial Doppler Ultrasound During a Preload Challenge

    Published on: January 20, 2023

    Related Concept Videos

    Blood Flow01:29

    Blood Flow

    Blood is pumped by the heart into the aorta, the largest artery in the body, and then into increasingly smaller arteries, arterioles, and capillaries. The velocity of blood flow decreases with increased cross-sectional blood vessel area. As blood returns to the heart through venules and veins, its velocity increases. The movement of blood is encouraged by smooth muscle in the vessel walls, the movement of skeletal muscle surrounding the vessels, and one-way valves that prevent backflow.
    Blood Pressure01:30

    Blood Pressure

    Blood pressure (BP) is the pressure or force of blood exerted on the artery's walls as it circulates through the body. It is essential for maintaining blood flow throughout the body.
    The average BP in an adult is typically around 120/80 mmHg (millimeters of mercury). In this measurement, the numerator (120) indicates the systolic pressure, which is the pressure in the arteries during the contraction of the heart's ventricles as blood is expelled. The denominator (80) represents the diastolic...
    Sites for measuring blood pressure01:21

    Sites for measuring blood pressure

    Blood pressure measurement is a fundamental clinical procedure, providing crucial data for assessing cardiovascular health. Among the various sites for this measurement, the brachial and popliteal arteries are predominantly utilized due to their accessibility and the reliability of their readings. This lesson delves into the anatomical significance, methodology, and considerations of measuring blood pressure at these locations.
    The Brachial Artery: Primary Site for Blood Pressure Measurement
    Special considerations while measuring blood pressure01:28

    Special considerations while measuring blood pressure

    When assessing blood pressure (BP), healthcare professionals must consider various factors and potential unexpected outcomes to ensure accurate readings and provide proper patient care. Adhering to these guidelines is essential to achieving the most reliable results.
    Monitoring Both Arms:
    Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
    Blood Pressure01:24

    Blood Pressure

    The movement of blood in a human body, commonly referred to as blood flow, is determined by the volume of blood that traverses a certain section of the bodily system per unit time. It is the rhythmic contraction of the heart's ventricles that primarily instigates this movement. As the ventricles contract, blood is forced into the prominent arteries, which then flow from areas of greater pressure to lower pressure areas. This movement continues into smaller arteries and arterioles and...
    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...