Related Experiment Video

Updated: Aug 21, 2026

Cardiac Stress Test Induced by Dobutamine and Monitored by Cardiac Catheterization in Mice
15:45

Cardiac Stress Test Induced by Dobutamine and Monitored by Cardiac Catheterization in Mice

Published on: February 10, 2013

Prognostic stratification of patients with right bundle branch block using dobutamine stress echocardiography

Elena Biagini1, Arend F L Schinkel, Vittoria Rizzello

  • 1Department of Cardiology, Thoraxcenter, Erasmus MC, Rotterdam, The Netherlands.

The American Journal of Cardiology
|October 7, 2004
PubMed

Insights

Right bundle branch block (RBBB) increases mortality risk. Dobutamine stress echocardiography effectively predicts cardiac events in RBBB patients, offering crucial prognostic insights beyond traditional data.

Area of Science:

  • Cardiology
  • Echocardiography
  • Clinical Prognostics

Background:

  • Right bundle branch block (RBBB) is linked to higher patient mortality.
  • Accurate prognostic stratification for RBBB patients remains a clinical challenge.

Purpose of the Study:

  • To evaluate the prognostic value of dobutamine stress echocardiography (DSE) in patients with RBBB.
  • To determine if DSE improves risk assessment in this population.

Main Methods:

  • Prospective study involving patients with RBBB undergoing DSE.
  • Analysis of DSE findings in relation to cardiac events.
  • Comparison of DSE prognostic power with clinical and stress test data.

Main Results:

  • Abnormal DSE findings were the strongest predictor of cardiac events in RBBB patients.
  • DSE provided significant incremental prognostic information.
  • DSE enhanced risk stratification beyond conventional methods.

Conclusions:

  • Dobutamine stress echocardiography is a powerful tool for prognostic stratification in RBBB patients.
  • DSE identifies high-risk individuals, guiding clinical management.
  • Integrating DSE improves the prediction of cardiac events in RBBB.

Related Concept Videos

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...
Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...
Exercise Stress Test01:26

Exercise Stress Test

Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
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...
Dysrhythmias V: Evaluating Dysrhythmias01:30

Dysrhythmias V: Evaluating Dysrhythmias

Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...
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...