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Related Concept Videos

Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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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...
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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...
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Imaging Studies for Cardiovascular System I:Echocardiography01:17

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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,...
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Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

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Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
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Imaging Studies for Cardiovascular System III: X-Ray01:20

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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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Acute Coronary Syndrome III: Diagnostic Studies01:30

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Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
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The Essentials of Cardiac Computerized Tomography.

Peter McKavanagh1, Gerard Walls2, Claire McCune2

  • 1Ulster Hospital, Belfast, UK. mckavanagh@doctors.org.uk.

Cardiology and Therapy
|November 6, 2015
PubMed
Summary

Cardiac computed tomography (CT) is a vital cardiology tool for risk assessment, disease detection, and intervention planning. This review covers its fundamental principles and recent advancements in diagnosing heart conditions.

Keywords:
Calcium scoreCardiac computerized tomographyComputerized tomography coronary angiographyPlaque characteristic analysis

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Area of Science:

  • Cardiology
  • Radiology
  • Medical Imaging

Background:

  • Cardiac computerized tomography (CT) has transitioned from a research modality to a key diagnostic tool in cardiology.
  • Its use is now endorsed by major European, US, and UK cardiology guidelines.

Purpose of the Study:

  • To provide a comprehensive overview of the current applications and advancements in cardiac CT.
  • To discuss the fundamental principles and emerging evidence in the field.

Main Methods:

  • Review of current literature and guidelines on cardiac CT.
  • Synthesis of information on the multifaceted roles of cardiac CT.

Main Results:

  • Cardiac CT serves diverse roles including risk stratification, disease detection, and coronary plaque quantification.
  • It is crucial for defining congenital heart disease and planning structural interventions.
  • Emerging applications include the assessment of myocardial ischemia.

Conclusions:

  • Cardiac CT is an established and evolving diagnostic investigation in modern cardiology.
  • Its broad utility spans from initial risk assessment to complex interventional planning and ischemia evaluation.