Related Experiment Video

Updated: Feb 16, 2026

A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
18:11

A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis

Published on: December 28, 2012

24.8K

[Myocardial Hypoenhancement on Multidetector Computed Tomography in Patients With Non-ST Elevation Acute Coronary

M Y Ruda1, N A Barysheva2, I N Merkulova2

  • 1Federal State Budgetary Institution, "Russian Cardiology Science and Production Center" of the Ministry of Health of the Russian Federation.

Kardiologiia
|December 26, 2017
PubMed

Insights

Multidetector computed tomography (MDCT) effectively identifies myocardial hypoenhancement areas (MHAs) in non-ST elevation acute coronary syndrome (NSTEACS). This imaging technique shows high sensitivity for non-ST segment elevation myocardial infarction (NSTEMI) compared to unstable angina (UA).

Area of Science:

  • Cardiology
  • Radiology
  • Medical Imaging

Background:

  • Non-ST elevation acute coronary syndrome (NSTEACS) requires accurate diagnostic methods.
  • Myocardial infarction and ischemia assessment are crucial for patient management.
  • Multidetector computed tomography (MDCT) offers advanced imaging capabilities.

Purpose of the Study:

  • To analyze myocardial hypoenhancement areas (MHAs) detected by MDCT in NSTEACS patients.
  • To compare MDCT findings with standard diagnostic methods like electrocardiography (ECG) and echocardiography (ECHO).

Main Methods:

  • MDCT was used to identify MHAs in patients diagnosed with NSTEACS.
  • Findings were compared between patients with non-ST segment elevation myocardial infarction (NSTEMI) and unstable angina (UA).
  • Diagnostic accuracy was evaluated against ECG and ECHO results.

Main Results:

  • MHAs were identified in 85.7% of NSTEMI patients (18/21).
  • MHAs were detected in only 13.6% of UA patients (3/22).
  • A significant difference (p < 0.001) was observed in MHA prevalence between NSTEMI and UA groups.

Conclusions:

  • MDCT is a sensitive tool for detecting MHAs in NSTEACS.
  • The presence of MHAs on MDCT is highly suggestive of NSTEMI.
  • MDCT shows promise as a valuable diagnostic aid in NSTEACS.

Keywords:
acute coronary syndromeechocardiography.multidetector computed tomography (MDCT)myocardial hypoenhancement areasmyocardial infarctionmyocardial ischemiamyocardial perfusion defectunstable anginawall motion abnormalities

More Related Videos

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans04:40

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans

Published on: August 28, 2018

16.1K
In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography08:13

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography

Published on: February 16, 2016

20.2K

Related Concept Videos

Acute Coronary Syndrome I: Introduction01:30

Acute Coronary Syndrome I: Introduction

Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
1.1K
Acute Coronary Syndrome V: Nursing Management01:26

Acute Coronary Syndrome V: Nursing Management

Nursing Assessment:Nursing management of acute coronary syndrome (ACS) involves taking the patient's history, focusing on primary complaints such as chest pain, dyspnea, and excessive sweating (diaphoresis), as well as other symptoms like back or jaw pain, nausea, vomiting, palpitations, dizziness, and fatigue. The nurse also reviews the patient's history of cardiac events, risk factors such as hypertension, diabetes, smoking, family history, and current medications.In the objective assessment,...
360
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...
290
Acute Coronary Syndrome IV: Interprofessional Care01:28

Acute Coronary Syndrome IV: Interprofessional Care

IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...
308
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
459
Computed Tomography01:10

Computed Tomography

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...
9.0K