Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Neural Regulation of Blood Pressure01:18

Neural Regulation of Blood Pressure

6.2K
The neural regulation of blood pressure involves intricate interactions between the autonomic nervous system (ANS) and cardiovascular system, ensuring adequate perfusion of tissues. This regulation primarily occurs through baroreceptor and chemoreceptor reflexes, involving both short-term and long-term mechanisms.
Baroreceptor Reflex
Baroreceptors, located in the carotid sinuses and aortic arch, detect changes in blood pressure. When blood pressure rises, these stretch-sensitive receptors...
6.2K
Measurement of Blood Pressure01:17

Measurement of Blood Pressure

2.2K
Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
2.2K
Regulation of the Cardiovascular System01:27

Regulation of the Cardiovascular System

3.1K
The regulation of the cardiovascular system allows the body to adapt to various demands and maintain homeostasis.
The regulation of the cardiovascular system involves the autonomic nervous system (ANS), baroreceptors, and chemoreceptors, ensuring that heart rate and blood pressure are appropriately modulated in response to varying physiological demands.
The ANS comprises two main divisions: the sympathetic and parasympathetic nervous systems. The sympathetic nervous system enhances...
3.1K
Autoregulation of Blood Flow01:17

Autoregulation of Blood Flow

7.1K
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....
7.1K
Equipments Used To Measure Blood Pressure01:30

Equipments Used To Measure Blood Pressure

2.8K
Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
2.8K
Assessing Blood pressure using a doppler ultrasound01:19

Assessing Blood pressure using a doppler ultrasound

2.0K
To obtain accurate blood pressure measurements in clinical settings, especially when traditional methods are insufficient, healthcare professionals utilize the Doppler ultrasound technique. This method uses high-frequency sound waves to detect blood flow within the arteries, which is crucial for patients with conditions that complicate circulatory system assessment.
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
2.0K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Organ-Specific Efficacy of Postischemic Empagliflozin in Acute Stroke and Myocardial Infarction Using Preclinical Models.

Journal of the American Heart Association·2026
Same author

Sex Differences in the Adverse Effects of Nicotine-Free E-Cigarettes on Myocardial Oxygen Supply and Demand Balance: A Preclinical Rat Study.

Journal of the American Heart Association·2026
Same author

Smartphone Measurement of Aortic Arch Pulse-Wave Velocity and Total Arterial Compliance: Accessible Local and Global Arterial Stiffness Assessment.

Journal of the American Heart Association·2026
Same author

Screening Patients for Elevated Left Ventricular End-Diastolic Pressure Using a Novel Noninvasive Brachial Cuff-ECG System: A Multicenter Validation Study.

Journal of the American Heart Association·2025
Same author

A new hybrid echocardiography and arterial pressure waveform approach for non-invasive reconstruction of the entire left ventricular pressure waveform.

European heart journal. Imaging methods and practice·2025
Same author

On the measurement of the vortex formation time in the left ventricle.

American journal of physiology. Heart and circulatory physiology·2025
Same journal

Correction: Luca et al. Global and Regional Diagnostic Results of Progress Toward Cervical Cancer Elimination, According to the WHO Strategy: A Systematic Literature Review with Narrative Synthesis. <i>Diagnostics</i> 2026, <i>16</i>, 1224.

Diagnostics (Basel, Switzerland)·2026
Same journal

Association Between Systemic Inflammatory Response Biomarkers and Disease Activity in Systemic Lupus Erythematosus: A Multi-Center Retrospective Study.

Diagnostics (Basel, Switzerland)·2026
Same journal

Vertebrogenic Low Back Pain and Basivertebral Nerve Ablation: A Review of Mechanisms, Imaging-Driven Selection, and Clinical Outcomes.

Diagnostics (Basel, Switzerland)·2026
Same journal

Multivalvular Carcinoid Heart Disease: The Role of Echocardiography in Diagnosis and Selection for Heterotopic Bicaval Valve Implantation.

Diagnostics (Basel, Switzerland)·2026
Same journal

Data-Efficient and Explainable Multimodal Survival Prediction in NSCLC Using Deep Image Embeddings, Clinical Variables, and Gradient-Boosted Trees.

Diagnostics (Basel, Switzerland)·2026
Same journal

Anomalous Left Coronary Artery from the Pulmonary Artery: Cinematic Volume Rendering Technique for Enhanced Anatomic Visualization.

Diagnostics (Basel, Switzerland)·2026
See all related articles

Related Experiment Video

Updated: Nov 30, 2025

Analysis of Cerebral Vasospasm in a Murine Model of Subarachnoid Hemorrhage with High Frequency Transcranial Duplex Ultrasound
10:41

Analysis of Cerebral Vasospasm in a Murine Model of Subarachnoid Hemorrhage with High Frequency Transcranial Duplex Ultrasound

Published on: June 3, 2021

3.9K

The Carotid Sinus as a Viscometer.

Andrew Iskander1, Rotem Naftalovich2, Niema M Pahlevan3,4

  • 1Department of Anesthesiology, Westchester Medical Center, 100 Woods Rd, Valhalla, NY 10595, USA.

Diagnostics (Basel, Switzerland)
|November 13, 2020
PubMed
Summary
This summary is machine-generated.

Computational fluid dynamics revealed how normal saline affects carotid artery blood flow and rheology. This study offers insights into hemodynamic changes after crystalloid administration.

More Related Videos

Continuous Venous-Arterial Doppler Ultrasound During a Preload Challenge
09:32

Continuous Venous-Arterial Doppler Ultrasound During a Preload Challenge

Published on: January 20, 2023

3.8K
Author Spotlight: Assessing the Cardiovascular Profile of Patients with Metabolic Syndrome
06:04

Author Spotlight: Assessing the Cardiovascular Profile of Patients with Metabolic Syndrome

Published on: September 27, 2024

1.2K

Related Experiment Videos

Last Updated: Nov 30, 2025

Analysis of Cerebral Vasospasm in a Murine Model of Subarachnoid Hemorrhage with High Frequency Transcranial Duplex Ultrasound
10:41

Analysis of Cerebral Vasospasm in a Murine Model of Subarachnoid Hemorrhage with High Frequency Transcranial Duplex Ultrasound

Published on: June 3, 2021

3.9K
Continuous Venous-Arterial Doppler Ultrasound During a Preload Challenge
09:32

Continuous Venous-Arterial Doppler Ultrasound During a Preload Challenge

Published on: January 20, 2023

3.8K
Author Spotlight: Assessing the Cardiovascular Profile of Patients with Metabolic Syndrome
06:04

Author Spotlight: Assessing the Cardiovascular Profile of Patients with Metabolic Syndrome

Published on: September 27, 2024

1.2K

Area of Science:

  • Cardiovascular Science
  • Biomedical Engineering
  • Fluid Dynamics

Background:

  • Understanding the impact of fluid administration on cerebral hemodynamics is crucial for clinical practice.
  • The carotid artery, particularly the sinus, plays a vital role in regulating blood flow and pressure.

Purpose of the Study:

  • To investigate the hemodynamic alterations in the carotid artery following normal saline infusion.
  • To analyze changes in blood rheology within the carotid sinus using advanced modeling techniques.

Main Methods:

  • Employed computational fluid dynamics (CFD) to simulate blood flow.
  • Modeled the carotid artery and sinus geometry based on physiological data.
  • Analyzed key hemodynamic parameters such as shear stress and blood flow velocity.

Main Results:

  • Demonstrated significant changes in blood flow patterns within the carotid artery post-infusion.
  • Observed alterations in blood rheology, indicating changes in viscosity and flow behavior.
  • Quantified the impact of normal saline on hemodynamic forces in the carotid sinus.

Conclusions:

  • Normal saline infusion induces measurable hemodynamic changes in the carotid artery.
  • CFD is a powerful tool for understanding fluid-electrolyte balance effects on vascular dynamics.
  • Findings contribute to the understanding of crystalloid administration effects on cerebrovascular health.