Brief introduction: Afterinjecting the contrast agent into the right atrium through the elbow vein,observe whether the contrast agent is shunted from right to left and estimatethe size of the shunt after calm breathing and cough; then check whether thereis patent foramen ovale by transesophageal echocardiography Be careful aboutthe existence of the internal shunt channel, and accurately measure its sizeand scope; in order to evaluate whether there is contradictory embolism, thatis, the embolus of the right heart system (microbubbles) enters the left heartsystem through the abnormal heart channel, causing organ ischemia An infarctionoccurs like a cerebral infarction.
Scope of application: Unexplained/cryptogenicstroke, especially young people, migraine with aura, transient ischemic attack,decompression sickness, patent foramen ovale, small atrial septal defect,etc.
Features and advantages:intuitive, minimally invasive, no obvious complications
Contact: 0551-62838542,Department of Ultrasound Medicine
