Contrast echocardiography is to improve the visualization of the heart during an echocardiography by the injection of micro-air bubbles. The use of the contrast medium can be done for transthoracic and transesophageal ultrasounds and the patient should not be fasting. The injection into the blood of micro-bubbles, reflecting ultrasound well, allows:
-to look for an intracardiac shunt (search for a permeable foramen ovale which may be the cause of an ischemic attack);
-improvement of the visualization of the contours of the left ventricle, this is especially useful for ultrasound under pharmacological stress and optimizes the visualization of the endocardium.
-Estimation of myocardial perfusion