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

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
Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

131
DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
131
Computed Tomography01:10

Computed Tomography

7.6K
Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
7.6K
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

138
Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
138

You might also read

Related Articles

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

Sort by
Same author

Molecular Epidemiology of δβ-Thalassemia and Hereditary Persistence of Fetal Hemoglobin (HPFH) in the Quanzhou Childbearing-Age Population, China.

Hemoglobin·2026
Same author

Factors associated with pulmonary embolism in children with refractory <i>Mycoplasma pneumoniae</i> pneumonia and elevated D-dimer.

Frontiers in pediatrics·2026
Same author

A Multilabel Single Molecule Localization Microscopy Protocol for Investigation of Chromatin in the Dense Nuclear Environment.

Journal of visualized experiments : JoVE·2026
Same author

Retraction notice to "Decoding tumor microenvironment: EMT modulation in breast cancer metastasis and therapeutic resistance, and implications of novel immune checkpoint blockers" [Biomedicine & Pharmacotherapy 181 (2024) 117714].

Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie·2026
Same author

Oxygen Vacancy-Engineered CaCu<sub>3</sub>Ti<sub>4</sub>O<sub>12</sub> Nanocatalyst for Piezoelectrically Driven Cascade Apoptosis/Cuproptosis/Ferroptosis Therapy.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

From online to offline: the impact of digital communication on activity participation among older adults.

Frontiers in public health·2026

Related Experiment Video

Updated: Nov 15, 2025

Doppler Optical Coherence Tomography of Retinal Circulation
10:46

Doppler Optical Coherence Tomography of Retinal Circulation

Published on: September 18, 2012

19.0K

Optical coherence tomography angiography measures blood pulsatile waveforms at variable tissue depths.

Zhiying Xie1, Geng Wang1, Yuxuan Cheng1

  • 1Department of Bioengineering, University of Washington, Seattle, WA, USA.

Quantitative Imaging in Medicine and Surgery
|March 3, 2021
PubMed
Summary

Optical coherence tomography angiography (OCTA) reveals distinct pulsatile blood flow patterns in skin microvascular plexuses. This method differentiates responses to hydrostatic pressure, aiding understanding of circulatory dynamics.

Keywords:
Optical Microangiography (OMAG)Optical coherence tomography angiography (OCTA)Photoplethysmography (PPG)Pulsatile waveform

More Related Videos

Evaluation of Capillary and Other Vessel Contribution to Macular Perfusion Density Measured with Optical Coherence Tomography Angiography
07:18

Evaluation of Capillary and Other Vessel Contribution to Macular Perfusion Density Measured with Optical Coherence Tomography Angiography

Published on: February 18, 2022

2.0K
Multispectral Optoacoustic Tomography for Functional Imaging in Vascular Research
06:40

Multispectral Optoacoustic Tomography for Functional Imaging in Vascular Research

Published on: June 8, 2022

2.1K

Related Experiment Videos

Last Updated: Nov 15, 2025

Doppler Optical Coherence Tomography of Retinal Circulation
10:46

Doppler Optical Coherence Tomography of Retinal Circulation

Published on: September 18, 2012

19.0K
Evaluation of Capillary and Other Vessel Contribution to Macular Perfusion Density Measured with Optical Coherence Tomography Angiography
07:18

Evaluation of Capillary and Other Vessel Contribution to Macular Perfusion Density Measured with Optical Coherence Tomography Angiography

Published on: February 18, 2022

2.0K
Multispectral Optoacoustic Tomography for Functional Imaging in Vascular Research
06:40

Multispectral Optoacoustic Tomography for Functional Imaging in Vascular Research

Published on: June 8, 2022

2.1K

Area of Science:

  • Biomedical Optics
  • Microcirculation Research
  • Vascular Physiology

Background:

  • Photoplethysmography (PPG) is standard for detecting blood pulse signals.
  • The precise origin of the PPG signal is still debated in scientific literature.

Purpose of the Study:

  • To utilize optical coherence tomography angiography (OCTA) to investigate pulsatile waveforms.
  • To separately analyze signals from the papillary and dermal vascular plexuses under varying hand elevations.

Main Methods:

  • Employed the Optical Microangiography (OMAG) algorithm to generate 3D OCTA data.
  • Extracted depth-resolved pulsatile blood flow signals from distinct skin vascular plexuses.
  • Measured systolic amplitude, crest time, and Delta T at different hydrostatic pressures (hand positions relative to heart level).

Main Results:

  • OCTA-derived pulse waveforms mirrored PPG morphology and exhibited similar changes with hand elevation.
  • Pulsatile patterns in papillary and dermal plexuses showed distinct responses to local blood pressure variations.
  • Crest time increased with arm elevation in both plexuses; Delta T decreased in the dermal plexus but not the papillary plexus.

Conclusions:

  • OCTA successfully provides depth-resolved pulsatile waveforms from different microvascular plexuses in skin.
  • This technique offers a novel approach to elucidating blood flow mechanisms across various skin circulatory layers.