Comparison of Echocardiographic Techniques in Diagnosis of Coronary Artery Disease
Coronary Disease
About this trial
This is an interventional treatment trial for Coronary Disease focused on measuring Microbubbles, Myocardial Blood Flow, Myocardial Ischemia, Second Harmonics, Ultrasound, Coronary Artery Disease
Eligibility Criteria
Patients with known or suspected coronary artery disease. Adults 18 years of age or older. No pre-menopausal patients who are lactating, pregnant or potentially pregnant as judged by history, physical examination, ultrasound or urine pregnancy test. No unstable angina patients. No recent myocardial infarction patients (less than 1 month). No frequent ectopy which precludes adequate image acquisition. No history of asthma or chronic obstructive pulmonary disease. No patients receiving aminophylline, theophylline or dipyridamole. No presence of second and third degree heart block without pacemaker. No significant hypertension (systolic blood pressure greater than 170 mm Hg) or hypotension (systolic blood pressure less than 100 mm Hg). No hypotension: basal sitting systolic arterial pressure less than 100 mm Hg confirmed 30 minutes later. No sinus tachycardia greater than or equal to 100 beats per min. No atrial fibrillation. No inadequate two-dimensional echocardiographic windows.
Sites / Locations
- National Heart, Lung and Blood Institute (NHLBI)