Related Experiment Video

Updated: Aug 7, 2026

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart
11:50

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart

Published on: July 9, 2010

Echocardiography with tissue harmonic imaging in the detection of st segment elevation myocardial infarction:

Li Yang1, Wei Wu, Jingfeng Wang

  • 1Department of Cardiology, Second Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China. lyc.yang@tom.com

Echocardiography (Mount Kisco, N.Y.)
|July 15, 2006
PubMed

Insights

Tissue harmonic imaging (THI) effectively detects acute myocardial infarction in ST-elevation patients. This echocardiography technique aids in identifying infarct locations, though certain sites require careful observation.

Area of Science:

  • Cardiology
  • Medical Imaging
  • Echocardiography

Background:

  • Tissue harmonic imaging (THI) enhances echocardiogram quality for better cardiac visualization.
  • Its utility in detecting acute myocardial infarction (AMI) remains under-explored.

Purpose of the Study:

  • To evaluate the effectiveness of THI in diagnosing ST-elevation myocardial infarction (STEMI).
  • To assess the accuracy of THI in localizing myocardial infarcts.

Main Methods:

  • Ninety-eight patients with first STEMI underwent THI and coronary angiography.
  • Echocardiogram findings from THI were compared with coronary angiography results.

Main Results:

  • THI provided adequate echocardiogram quality in 95.9% of patients.
  • Myocardial infarction was detected by THI in 92.9% of cases.
  • THI accurately identified infarct locations, correlating with coronary angiography findings (88.8% accuracy).

Conclusions:

  • Echocardiography with THI is a sensitive method for STEMI detection.
  • Careful examination of inferior, posterior wall, or right ventricle infarcts is crucial to prevent missed diagnoses.
Abstract

More Related Videos

Ultrasonic Assessment of Myocardial Microstructure10:53

Ultrasonic Assessment of Myocardial Microstructure

Published on: January 14, 2014

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 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...
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...
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

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...
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...