Related Experiment Video
Updated: Oct 5, 2026

Cardiac Stress Test Induced by Dobutamine and Monitored by Cardiac Catheterization in Mice
Published on: February 10, 2013
Dobutamine stress echocardiography response of asymptomatic patients with diabetes
D Coisne1, E Donal, F Torremocha
1Cardiology Department, La Miletrie University Hospital, 86021 Poitiers Cedex 01, France. coisne@chu-poitiers.fr
Aims:
This study investigated the role of dobutamine stress echocardiography for the silent diagnosis of myocardial ischemia in a diabetic population. Results from the stress test were compared between diabetic and nondiabetic groups.
Methods:
Forty-nine diabetics and 63 consecutive nondiabetics underwent dobutamine stress echocardiography between April and December 1999, to check for new regional wall-motion abnormalities. A single operator, using the same echograph with tissue harmonic imaging in each case, performed all the examinations, using the same techniques.
Results:
Significant coronary artery disease was detected in 9% of asymptomatic diabetics. Dynamic left ventricular obstruction was observed in 59% of the diabetic population and only 22% in the nondiabetic population. One patient suffered an adverse event (fast atrial fibrillation) during the stress test. Cardiac frequency at the beginning and end of the stress test differed significantly between the two populations.
Conclusion:
Dobutamine stress echocardiography allows for detection of silent myocardial ischemia. In the diabetic population, we describe, for the first time under dobutamine infusion, a great number of dynamic left ventricular obstructions.
Related Concept Videos
Exercise Stress Test
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
Imaging Studies for Cardiovascular System I:Echocardiography
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion, evaluates...
Cardiomyopathy II: Dilated Cardiomyopathy
Imaging Studies for Cardiovascular System II:Types of Echocardiography
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...
Dysrhythmias V: Evaluating Dysrhythmias
Acute Coronary Syndrome III: Diagnostic Studies