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Related Concept Videos

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...

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Related Experiment Video

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Three-Dimensional Modeling of the Left Atrium and Pulmonary Veins with a Precise Intracardiac Echocardiography Approach
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Left atrial function during pregnancy: a three-dimensional echocardiographic study.

Chaim Yosefy1, Simon Shenhav, Viktor Feldman

  • 1Department of Cardiology, Barzilai Medical Center Campus, Ben-Gurion University, Ashkelon, Israel. yosefy@barzi.health.gov.il

Echocardiography (Mount Kisco, N.Y.)
|June 15, 2012
PubMed
Summary
This summary is machine-generated.

Pregnancy alters cardiac function, with left atrial (LA) volume increasing significantly during the third trimester. Real-time 3D echocardiography (RT3DE) reveals these changes, crucial for understanding cardiac adaptation during gestation.

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Area of Science:

  • Cardiology
  • Obstetrics
  • Medical Imaging

Background:

  • Diastolic dysfunction is a sensitive indicator of cardiac adaptation during pregnancy.
  • Understanding changes in atrial function is key to monitoring pregnancy-related cardiovascular adjustments.

Purpose of the Study:

  • To evaluate volumetric and functional atrial parameters in pregnant women during early and late third trimesters.
  • To utilize real-time three-dimensional echocardiography (RT3DE) for assessing left atrial (LA) changes during pregnancy.

Main Methods:

  • Study included pregnant women in early (26-33 weeks) and late (34-40 weeks) third trimesters, and a control group.
  • Two-dimensional echocardiography (2D-Echo) and RT3DE were employed to measure LA systolic and diastolic volumes and emptying fraction.
  • Left ventricular and LA cavities were analyzed using both imaging modalities.

Main Results:

  • RT3DE demonstrated a significant increase in LA end-systolic volume index (LASVI) and LA end-diastolic volume index (LAEDVI) as pregnancy progressed.
  • Despite increased LA volume, the emptying fraction remained stable, supported by increased atrial contraction (A-wave) and heart rate.
  • A decrease in diastolic E-wave and E/A ratio was observed, alongside an increase in pulmonary pressure.

Conclusions:

  • Pregnancy leads to significant enlargement of the left atrial volume, as detected by RT3DE.
  • This LA volume expansion, occurring with stable blood pressure, is likely an adaptive response to increased blood volume during pregnancy.
  • RT3DE provides valuable insights into the dynamic cardiovascular adaptations occurring throughout pregnancy.