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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...
Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

Imaging Studies for Cardiovascular System II:Types of Echocardiography

Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for diagnosing...
Ultrasonography01:17

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...

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Related Experiment Video

Updated: Jul 10, 2026

Murine Fetal Echocardiography
08:04

Murine Fetal Echocardiography

Published on: February 15, 2013

First trimester fetal echocardiography.

Sandra Regina Marques Carvalho1, Maria Célia Mendes, Omero Benedito Poli Neto

  • 1Department of Gynecology and Obstetrics, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil.

Gynecologic and Obstetric Investigation
|November 21, 2007
PubMed
Summary

First-trimester fetal echocardiography is feasible using a transvaginal approach, with complete evaluations achievable by 13 weeks. Cardiac valve diameters correlate linearly with crown-rump length, indicating synchronized fetal and cardiac development.

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Last Updated: Jul 10, 2026

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Published on: February 15, 2013

Fetal Echocardiography and Pulsed-wave Doppler Ultrasound in a Rabbit Model of Intrauterine Growth Restriction
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07:34

Fetal Mouse Cardiovascular Imaging Using a High-frequency Ultrasound (30/45MHZ) System

Published on: May 5, 2018

Area of Science:

  • Medical Imaging
  • Fetal Medicine
  • Cardiology

Background:

  • First-trimester fetal screening commonly includes nuchal translucency and ductus venosus Doppler assessment.
  • Fetal echocardiography is crucial for diagnosing congenital heart defects.
  • Evaluating cardiac structures in early gestation presents technical challenges.

Purpose of the Study:

  • To determine the feasibility of complete first-trimester fetal echocardiography.
  • To identify the optimal gestational age for a comprehensive fetal cardiac evaluation.
  • To explore the relationship between fetal cardiac valve dimensions and gestational age.

Main Methods:

  • Transvaginal echocardiography was performed on 46 fetuses between 11 and 14 weeks of gestation.
  • A complete study required visualization of three standard views: four-chamber, longitudinal, and short-axis.
  • Cardiac valve diameters were measured and compared with crown-rump length (CRL).

Main Results:

  • Complete echocardiographic evaluation rates were 37% at 11 weeks, 85% at 12 weeks, and 100% at 13-14 weeks.
  • The longitudinal view was easiest to obtain; the short-axis view was most challenging.
  • No significant difference was found between mitral/tricuspid or aortic/pulmonary valve diameters; linear growth curves showed correlation with CRL.

Conclusions:

  • Transvaginal fetal echocardiography is feasible in the first trimester.
  • A complete fetal cardiac assessment is achievable by 13 weeks gestation (CRL 64 mm).
  • Linear correlation between valve diameters and CRL suggests synchronized cardiac and fetal development, with no early chamber predominance.