Radiofrequency-based Speckle Tracking Echocardiography to Evaluate Diastolic Function

Radiofrequency-based Speckle Tracking Echocardiography to Evaluate Diastolic Function

The purpose of this study is to evaluate a novel ultrasound system's ability to assess the relaxing properties of the heart compared to current techniques.

Inclusion Criteria:

• Patients scheduled to undergo a clinically indicated left heart cardiac catheterization will be recruited for the study.

Exclusion Criteria:

• Suspected acute ST elevation myocardial infarction.
• Acute coronary syndrome with active ongoing chest pain
• Known or suspected acute aortic dissection
• Known or suspected cardiac tamponade
• Known history of unoperated constrictive pericarditis
• Known or suspected severe aortic stenosis or severe mitral regurgitation
• Heart rhythm other than sinus rhythm on pre-cath EKG
• Age < 18 years old
• Unable to provide informed consent