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Blood Studies for Cardiovascular System I: Cardiac Biomarkers

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...

Imaging Studies for Cardiovascular System III: X-Ray

Imaging Studies for Cardiovascular System III: X-Ray

The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...

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Related Experiment Video

Updated: Mar 27, 2026

Non-invasive Assessment of Microvascular and Endothelial Function

Non-invasive Assessment of Microvascular and Endothelial Function

Published on: January 29, 2013

Beyond Cigarette Count: Nonlinear Cardiovascular Risk in Black Light Smokers

Mary Rezk-Hanna¹, Shenita Anderson¹, Neal L Benowitz²

¹School of Nursing University of California, Los Angeles Los Angeles CA USA.

Journal of the American Heart Association

|March 25, 2026

Summary

No abstract available in PubMed .

Keywords:

Black adults cardiovascular diseases cigarette smoking smoking cessation

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