Related Experiment Video

Updated: Aug 14, 2026

Cardiac Stress Test Induced by Dobutamine and Monitored by Cardiac Catheterization in Mice
15:45

Cardiac Stress Test Induced by Dobutamine and Monitored by Cardiac Catheterization in Mice

Published on: February 10, 2013

[Effects of a hypocaloric protein diet on changes in arterial pressure produced by adrenaline infusion]

A Scheen, M Scheen-Lavigne, J Juchmes

    Comptes Rendus Des Seances De La Societe De Biologie Et De Ses Filiales
    |January 1, 1982
    PubMed

    More Related Videos

    Novel Approach for Simultaneous Recording of Renal Sympathetic Nerve Activity and Blood Pressure with Intravenous Infusion in Conscious, Unrestrained Mice.11:08

    Novel Approach for Simultaneous Recording of Renal Sympathetic Nerve Activity and Blood Pressure with Intravenous Infusion in Conscious, Unrestrained Mice.

    Published on: February 14, 2018

    Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion08:35

    Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion

    Published on: May 26, 2022

    Related Concept Videos

    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.
    Antihypertensive Drugs: Action of β1 Blockers01:17

    Antihypertensive Drugs: Action of β1 Blockers

    β1-receptors are primarily located in the heart and kidneys. In cardiac myocytes, these receptors interact with neurotransmitters released by the sympathetic nervous system during heightened activity or danger. As a result, β1-receptors get activated, initiating a series of biochemical processes. Excessive activation of beta receptors due to chronic stress can abnormally increase heart rate and contractility, resulting in high blood pressure or hypertension. To counteract this, β1-blockers...
    Antihypertensive Drugs: Angiotensin-Converting Enzyme Inhibitors01:30

    Antihypertensive Drugs: Angiotensin-Converting Enzyme Inhibitors

    Angiotensin-converting enzyme (ACE), a vital component of the renin-angiotensin-aldosterone system, is abundant in lung endothelial cells. ACE converts the inactive decapeptide, angiotensin I, into the active octapeptide, angiotensin II. This potent vasoconstrictor narrows blood vessels, increasing resistance to blood flow and elevating blood pressure. Angiotensin II also stimulates aldosterone production, encouraging kidney cells to reabsorb more sodium and water from urine, thereby increasing...
    Antihypertensive Drugs: Angiotensin II Receptor Blockers01:30

    Antihypertensive Drugs: Angiotensin II Receptor Blockers

    In the renin-angiotensin-aldosterone system, a hormone called angiotensin II plays a crucial role. It binds to the AT1 receptors in vascular smooth muscles coupled with Gq proteins. The activation of these receptors activates an enzyme called phospholipase C, which releases two molecules: inositol trisphosphate and diacylglycerol. These molecules cause a chain reaction that leads to the phosphorylation of myosin light chains and promotes interaction between actin and myosin, leading to smooth...
    Antihypertensive Drugs: Direct Renin Inhibitors01:25

    Antihypertensive Drugs: Direct Renin Inhibitors

    The renin-angiotensin-aldosterone system (RAAS) is an intricate physiological pathway involving numerous enzymes and hormones, including renin, angiotensin-converting enzyme (ACE), angiotensin I and II, and aldosterone. Imbalances within this system increase the production of angiotensin II and aldosterone. Increased angiotensin II levels promote vasoconstriction and blood pressure elevation. Concurrently, higher aldosterone levels stimulate sodium and water reabsorption in the kidneys,...
    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...