Stress Echocardiography
Ultrasound of heart under exercise or pharmacologic stress.
What is Stress?
Stress echocardiography combines ultrasound imaging with physical exercise or medication-induced stress to evaluate heart function and blood flow.
How it works: Images taken at rest and during stress (exercise or medication) to detect wall motion abnormalities and coronary artery disease.
Common Uses of Stress
Coronary artery disease assessment
Detect blockages or narrowing in coronary arteries that may not be apparent at rest.
Chest pain evaluation
Determine if chest pain is cardiac in origin and related to myocardial ischemia.
Post-MI evaluation
Assess myocardial viability and risk stratification after myocardial infarction.
Pre-operative risk assessment
Evaluate cardiac risk before non-cardiac surgery, especially in patients with known cardiac disease.
Heart failure evaluation
Assess for ischemic cardiomyopathy and guide treatment decisions in heart failure.
Advantages
- ✓No radiation exposure
- ✓Excellent spatial resolution for wall motion
- ✓Real-time imaging capabilities
- ✓Lower cost compared to nuclear stress testing
- ✓Can assess ventricular function and valves
Limitations
- ⚠Operator-dependent image quality
- ⚠Limited by patient's ability to exercise
- ⚠Suboptimal images in obese patients
- ⚠Cannot directly visualize coronary arteries
- ⚠More time-consuming than some alternatives
Preparation Checklist
0 of 3 completed
⚖️Stress vs CT
Related Imaging Modalities
Nuclear stress testing, CT coronary angiography, or cardiac MRI may provide complementary information.
CT
CT scans use X-rays to create detailed cross-sectional images of the body. They are particularly useful for detecting bone fractures, tumors, and internal bleeding.
MRI
MRI uses powerful magnets and radio waves to produce detailed images of organs and soft tissues. Excellent for brain, spine, and joint imaging.
Ultrasound
Ultrasound uses sound waves to create real-time images. Commonly used for pregnancy monitoring and examining organs like the heart, liver, and kidneys.
Browse Stress Terms
Explore common terms in Stress reports, each with detailed explanations, clinical significance, and related lab tests to help you understand your imaging results. lab tests.
Myocardial Ischemia Detection on Stress Echocardiography: Wh
New or worsening wall motion abnormalities during stress compared to rest. Ischemic segments show reduced thickening and excursion. May involve single or multiple territories.
Dobutamine Stress Echocardiography: What It Shows, Cost & Pr
Exercise Stress Echocardiography: What It Shows, Cost & Prep
Viability Assessment Stress Echocardiography: What It Shows,
Valvular Disease Assessment on Stress Echocardiography: What
Valve hemodynamics assessed at rest and during stress. Changes in gradients, valve areas, regurgitation severity, and pulmonary pressures with exercise or dobutamine.
Myocardial Viability Assessment on Stress Echocardiography:
Contractile response of dysfunctional myocardium to low-dose dobutamine. Viable myocardium shows improved wall motion with stress; scarred tissue shows no improvement.
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