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Related Concept Videos

Overview of the Cardiovascular System01:14

Overview of the Cardiovascular System

The cardiovascular system is a vital transportation system in the body. It comprises the heart and blood vessels and facilitates the exchange of gases, nutrients, and waste products.
Heart
The heart is the central pump of the cardiovascular system that circulates blood throughout the body. It comprises two atria receiving the blood and two ventricles pumping blood out of the heart. Their rhythmic contractions, called heartbeats, ensure that blood flow remains continuous.
Blood Vessels
Blood...
Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
Regulation of the Cardiovascular System01:27

Regulation of the Cardiovascular System

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...
Overview of the Heart01:07

Overview of the Heart

The heart, a muscular organ located in the chest, functions as the body's pump, circulating blood through the vascular system. It has four chambers: two atria on top and two ventricles below. The right atrium receives deoxygenated blood from the body and passes it to the right ventricle, which pumps it to the lungs for oxygenation. The left atrium receives oxygenated blood from the lungs and transfers it to the left ventricle, which pumps it to the rest of the body.
The heart's structure...
Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion, evaluates...
Development of the Heart01:27

Development of the Heart

The development of the human heart, a crucial organ, commences from the mesoderm on the 18th or 19th day after fertilization. This process initiates in the cardiogenic area, a group of mesodermal cells at the embryo's head end, which evolves into elongated strands known as cardiogenic cords. These cords undergo a transformation to form hollow-centered endocardial tubes.
As the embryo undergoes lateral folding, these paired tubes approach each other, merging into a single primitive heart tube by...

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Related Experiment Video

Updated: May 25, 2026

Near-Infrared Spectroscopy During Reactive Hyperemia for the Assessment of Lower Limb Vascular Function
04:44

Near-Infrared Spectroscopy During Reactive Hyperemia for the Assessment of Lower Limb Vascular Function

Published on: March 22, 2024

In the Spotlight: Cardiovascular Engineering.

Natalia Trayanova1

  • 1Department of Biomedical Engineering, The Johns Hopkins University, Baltimore, MD 21224, USA. ntrayanova@jhu.edu

IEEE Reviews in Biomedical Engineering
|January 26, 2012
PubMed
Summary
This summary is machine-generated.

Patient-specific computational models of the heart and circulatory system are advancing cardiovascular assessment and therapy. These image-based models aid in understanding patient-specific conditions and developing personalized treatments.

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Intravascular Ultrasound Image-Based Finite Element Modeling Approach for Quantifying In Vivo Mechanical Properties of Human Coronary Artery
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Last Updated: May 25, 2026

Near-Infrared Spectroscopy During Reactive Hyperemia for the Assessment of Lower Limb Vascular Function
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Near-Infrared Spectroscopy During Reactive Hyperemia for the Assessment of Lower Limb Vascular Function

Published on: March 22, 2024

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Multimodal Study of Murine Cardiovascular Remodeling: Four-Dimensional Ultrasound and Mass Spectrometry Imaging

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Intravascular Ultrasound Image-Based Finite Element Modeling Approach for Quantifying In Vivo Mechanical Properties of Human Coronary Artery
06:18

Intravascular Ultrasound Image-Based Finite Element Modeling Approach for Quantifying In Vivo Mechanical Properties of Human Coronary Artery

Published on: December 6, 2024

Area of Science:

  • Biomedical Engineering
  • Computational Medicine
  • Cardiovascular Research

Background:

  • Growing need for personalized medicine in cardiovascular disease.
  • Limitations of traditional methods in assessing patient-specific cardiovascular function.

Purpose of the Study:

  • Review the development of patient-specific, image-based cardiovascular models.
  • Highlight their role in assessing cardiovascular function under unique pathophysiological conditions.
  • Emphasize their utility as a platform for testing tailored cardiovascular therapies.

Main Methods:

  • Review of existing literature on patient-specific cardiovascular modeling.
  • Focus on image-based modeling techniques.
  • Integration of computational approaches for disease assessment and therapy development.

Main Results:

  • Demonstration of progress in creating patient-specific heart and circulatory models.
  • Validation of these models for assessing cardiovascular function.
  • Potential for these models to guide personalized treatment strategies.

Conclusions:

  • Patient-specific image-based models represent a significant advancement in cardiovascular research.
  • These computational tools are crucial for personalized medicine and the future of cardiovascular therapy.
  • The trend towards computational medicine offers new avenues for disease treatment and prevention.