Related Experiment Video

Updated: Feb 8, 2026

In Vitro Thrombosis Test for Ventricular Assist Devices
09:15

In Vitro Thrombosis Test for Ventricular Assist Devices

Published on: March 21, 2025

1.2K

A model for estimating the blood flow of the POLVAD pulsatile ventricular assist device

Alicja Siewnicka, Krzysztof Janiszowski

    IEEE Transactions on Bio-Medical Engineering
    |July 12, 2018
    PubMed
    Abstract

    More Related Videos

    Use of Two Intracorporeal Ventricular Assist Devices As a Total Artificial Heart08:49

    Use of Two Intracorporeal Ventricular Assist Devices As a Total Artificial Heart

    Published on: May 11, 2018

    10.0K
    Utilizing Percutaneous Ventricular Assist Devices in Acute Myocardial Infarction Complicated by Cardiogenic Shock06:10

    Utilizing Percutaneous Ventricular Assist Devices in Acute Myocardial Infarction Complicated by Cardiogenic Shock

    Published on: June 12, 2021

    3.7K

    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.
    76.1K
    Autoregulation of Blood Flow01:17

    Autoregulation of Blood Flow

    Autoregulation mechanisms are characterized by their inherent capacity for self-regulation without necessitating specific nervous stimulation or endocrine control. These mechanisms facilitate the adjustment of blood flow and, therefore, perfusion specific to each tissue region. This self-regulation encompasses chemical signals and myogenic controls.
    Chemical Signaling in Autoregulation
    Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation....
    8.1K
    Physiological Pharmacokinetic Models: Blood Flow-Limited Versus Diffusion-Limited Models00:57

    Physiological Pharmacokinetic Models: Blood Flow-Limited Versus Diffusion-Limited Models

    Physiological pharmacokinetic models, often called flow-limited or perfusion models, typically assume a swift drug distribution between tissue and venous blood, creating a rapid drug equilibrium. This premise is based on the idea that drug diffusion is extremely fast, and the cell membrane presents no barrier to drug permeation. In this scenario, where no drug binding occurs, the drug concentration in the tissue equals that of the venous blood leaving the tissue. This greatly simplifies the...
    353
    Applications of Integration to Find Blood Flow01:27

    Applications of Integration to Find Blood Flow

    Blood flow through a cylindrical blood vessel can be mathematically described using the principles of laminar flow, a regime in which fluid moves smoothly in parallel layers. In this model, the velocity of the blood is not uniform across the cross-section of the vessel; rather, it varies with the radial distance from the center. The maximum velocity occurs along the central axis, decreasing progressively toward the vessel walls, where it reaches zero due to viscous drag.Approximating Blood...
    58
    What are Estimates?01:06

    What are Estimates?

    It isn't easy to measure a parameter such as the mean height or the mean weight of a population. So, we draw samples from the population and calculate the mean height or mean weight of the individuals in the sample. This sample data acts as a representative measure of the population parameter. These sample statistics are known as estimates. 
    The estimate for the mean of a sample is denoted by ͞x, whereas the mean of the population is designated as μ. Further, parameters such...
    8.8K
    Estimation of k and VD of Aminoglycosides01:20

    Estimation of k and VD of Aminoglycosides

    Aminoglycosides are a class of antibiotics used to treat various bacterial infections. Clinicians must determine the elimination rate constant (k) and volume of distribution (VD) to optimize therapeutic efficacy and minimize toxicity. The k value represents the rate at which the drug is removed from the body, and the VD reflects the degree to which the drug distributes into body tissues. Accurately estimating these parameters allows healthcare professionals to tailor drug dosing to individual...
    249