Related Experiment Video

Updated: Aug 10, 2026

Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery
08:17

Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery

Published on: February 20, 2017

Comparison of left atrial dimensions by transesophageal and transthoracic echocardiography

Harshinder Singh1, A C Jain, D K Bhumbla

  • 1Section of Cardiology, Department of Medicine, West Virginia University, Morgantown, 26506, USA. Hsingh125@aol.com

Echocardiography (Mount Kisco, N.Y.)
|December 14, 2005
PubMed

Insights

Transesophageal echocardiography (TEE) has limitations for measuring left atrial (LA) size. The basal long-axis view offers the best correlation with transthoracic echocardiography (TTE) measurements, improving diagnostic accuracy.

Area of Science:

  • Cardiovascular Imaging
  • Echocardiography
  • Cardiac Diagnostics

Background:

  • Left atrial (LA) size is a critical indicator in cardiovascular disease, linked to atrial fibrillation, stroke, and mortality.
  • Transthoracic echocardiography (TTE) is standard for LA size assessment, but its validation via transesophageal echocardiography (TEE) requires further investigation.

Purpose of the Study:

  • To evaluate the accuracy and reliability of LA size measurements using TEE compared to TTE.
  • To identify optimal TEE views for assessing LA dimensions.

Main Methods:

  • 122 patients underwent both TEE and TTE at the same setting.
  • LA dimensions were measured in four standard TEE views.
  • Correlation analysis was performed between TEE and TTE measurements.

Main Results:

  • TEE measurements of LA dimensions showed significant limitations across most views.
  • The basal long-axis view (mid-esophageal, 120-150 degrees) demonstrated the best correlation with TTE measurements (r = 0.79, P <.0001).

Conclusions:

  • The basal long-axis view is the most reliable TEE view for assessing LA size.
  • TEE can be used for LA size assessment, but with caution and preference for the basal long-axis view for better correlation with TTE.

More Related Videos

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure07:41

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure

Published on: February 8, 2022

Transthoracic Echocardiography to Assess Post-Resuscitation Left Ventricular Dysfunction After Acute Myocardial Infarction and Cardiac Arrest in Pigs08:19

Transthoracic Echocardiography to Assess Post-Resuscitation Left Ventricular Dysfunction After Acute Myocardial Infarction and Cardiac Arrest in Pigs

Published on: July 12, 2022

Related Concept Videos

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...
Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...