Cardiovascular Biomarkers
Cardiovascular Biomarkers - Related Videos
01:20
Blood Studies for Cardiovascular System I: Cardiac Biomarkers
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2025
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...
10:03
Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty
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Cited by 2 •
2020
Development of major adverse cardiovascular events, which impact cardiovascular prognosis after coronary angioplasty, are influenced by the extent of coronary damage and vascular repair. The use of novel coronary cellular and soluble biomarkers, reactive to vascular damage and repair, are useful to predict the development of MACEs and prognosis.
05:30
Isolation, Characterization, and Proteomic Analysis of Plasma-Derived Extracellular Vesicles for Cardiovascular Biomarker Discovery
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Cited by 1 •
2025
This article describes a methodology for the isolation, characterization, and quantification of human plasma-derived extracellular vesicles (EV) and presents a workflow for label-free analysis of the EV proteome using liquid chromatography-tandem mass spectrometry (LC-MS/MS).
08:29
Biomarkers in an Animal Model for Revealing Neural, Hematologic, and Behavioral Correlates of PTSD
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Cited by 29 •
2012
We describe a rat model of post traumatic stress disorder (PTSD) that reveals the persistent alterations in neuroendocrine function and the delayed long-term, exaggerated fear response, characteristic of PTSD patients. The animal model and methods described here are useful for correlating biomarkers in brain nuclei, which are mechanistic but cannot be measured in patients, with biomarkers in peripheral white blood cells, which can.
08:28
An Overview of bGDGT Biomarker Analysis for Paleoclimatology
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2023
Source: Laboratory of Jeff Salacup - University of Massachusetts Amherst Throughout this series of videos, natural samples were extracted and purified in search of organic compounds, called biomarkers, that can relate information on climates and environments of the past. One of the samples analyzed was sediment. Sediments accumulate over geologic time in basins, depressions in the Earth into which sediment flows through the action of fluid (water or air), movement, and gravity. Two main types...
FAQs
Different biomarkers reflect different disease mechanisms. Cardiac troponins indicate myocardial injury, whereas natriuretic peptides reflect cardiac wall stress associated with heart failure. This distinction allows clinicians to interpret an abnormal result in relation to the process affecting the cardiovascular system, rather than treating every elevated marker as evidence of the same condition.
Changes in cardiovascular biomarkers can arise from several biological processes, including myocardial injury, inflammation, thrombosis, and hemodynamic stress. Because these processes represent different forms of cardiovascular disturbance, the molecule detected and its measured amount can provide clues about what is occurring in the heart or blood vessels. Their value depends on linking laboratory findings to disease mechanisms.
Laboratory quantification adds more information than a simple positive or negative result. Measuring the amount of a marker helps characterize the biological signal associated with injury or stress and supports clinical assessment of disease risk, acute conditions, treatment decisions, and expected outcomes. Interpretation remains tied to the cardiovascular process that the marker represents.
Evaluation begins by identifying the clinical question, such as assessing risk, distinguishing an acute condition, or managing established cardiovascular disease. A laboratory assay then detects and quantifies relevant molecules circulating in the bloodstream. Results are interpreted in the context of the suspected process, because troponins and natriuretic peptides provide different types of information.
Clinicians can use these measurements across several stages of care. They may help assess cardiovascular disease risk, distinguish acute conditions, guide treatment, and predict outcomes. The same general principle supports both diagnostic and management decisions, but interpretation depends on whether the marker reflects myocardial injury, cardiac wall stress, inflammation, thrombosis, or another measured process.
Research is moving beyond established markers toward more precise indicators that could detect cardiovascular disease earlier and support personalized care. This work reflects a limitation of relying on a small set of signals, because different disease processes may not be captured equally well. Improved biomarkers could therefore refine risk assessment, diagnosis, treatment selection, and outcome prediction.