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相关概念视频

Overview of the Cardiovascular System01:14

Overview of the Cardiovascular System

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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...
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Cardiovascular Drugs: Classification based on Therapeutic Indications01:18

Cardiovascular Drugs: Classification based on Therapeutic Indications

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Cardiovascular diseases, encompassing a range of conditions, can significantly affect the heart's operations and the overall circulatory system. These conditions impair the heart's ability to pump blood, leading to a deficit in oxygen supply to crucial organs. Anomalies in the heart's electrical system, known as arrhythmias, can cause heartbeats to accelerate or slow down. Usually, heart rates increase during physical activity and decrease while resting or sleeping. However,...
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Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

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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:
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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...
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Anatomy of the Heart01:27

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The human heart is made up of three layers of tissue that are surrounded by the pericardium, a membrane that protects and confines the heart. The outermost layer, closest to the pericardium, is the epicardium. The pericardial cavity separates the pericardium from the epicardium. Beneath the epicardium is the myocardium, the middle layer, and the endocardium, the innermost layer. There are four chambers of the heart: the right atrium, the right ventricle, the left atrium, and the left ventricle.
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Regulation of the Cardiovascular System01:27

Regulation of the Cardiovascular System

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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...
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Anatomy of the Circulatory System02:03

Anatomy of the Circulatory System

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The human circulatory system consists of blood, blood vessels that carry blood away from the heart, around the body, and back to the heart, and the heart itself, which acts as a central pump. The systemic circuit supplies blood to the whole body, the coronary circuit supplies blood to the heart, and the pulmonary circuit supplies blood flow between the heart and lungs.
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相关实验视频

Updated: Sep 14, 2025

A Knowledge Graph Approach to Elucidate the Role of Organellar Pathways in Disease via Biomedical Reports
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基于语义网络的本体学:心血管知识表示的全面框架.

Sabahat Sabir1, Fahad Maqbool1, Muhammad Saad Razzaq1

  • 1Department of Computer Science, University of Sargodha, Sargodha, Pakistan.

BMC cardiovascular disorders
|July 18, 2025
PubMed
概括
此摘要是机器生成的。

一个新的心脏病本体 (HDO) 被开发来组织和分享关于心脏病的关键信息. 这一全面的知识门户改善了对心脏病的理解和管理,以获得更好的医疗保健.

关键词:
心脏病是什么心脏病机器可以理解的数据.这就是OWL的意义.存在论 (Ontology) 是一种存在论.在RDF中使用RDF.

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相关实验视频

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Evidence-based Knowledge Synthesis and Hypothesis Validation: Navigating Biomedical Knowledge Bases via Explainable AI and Agentic Systems
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Author Spotlight: Integrated Multi-Omics Analysis for Unveiling Multicellular Immune Signatures in Clinical Heart Attack Cohorts
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科学领域:

  • 在医疗保健中的语义网络技术.
  • 为医疗数据管理开发本体论.
  • 心脏病学中的知识表示.

背景情况:

  • 语义网络使机器可读的医疗数据成为可能,提高了互操作性.
  • 现有的心脏病信息缺乏结构化的本体学表示.
  • 对心脏病的综合知识体系存在需要.

研究的目的:

  • 开发一个全面的心脏病本体学 (HDO).
  • 作为主要心脏病的知识门户.
  • 提供有关原因,危险因素,症状,诊断和治疗的准确数据.

主要方法:

  • 使用Ontology Web Language (OWL) 和Protégé中的RDF开发了HDO.
  • 集成的schema.org和从SNOMED CT,ICD10,FHIR,NCIT和SCDO中重复使用的类.
  • 使用OOPsPitfall扫描仪和Hermit Reasoner评估HDO;与心脏病学家进行验证.

主要成果:

  • HDO包括104个类,20个对象属性,14个数据属性和808个实例.
  • 从schema.org和medicalontologies.org重新使用了22个类和17个属性.
  • 通过使用案例和SPARQL查询验证功能;专家证实领域知识.

结论:

  • HDO提供了针对心脏病的结构化,可互操作的知识库.
  • 本体论促进了心血管健康的精确和可靠的信息交换.
  • HDO提高了对心脏病信息的理解和管理.