Balloon occlusion to lessen outflow and further embolization with ethanol from microcatheter inserted from the balloon catheter. ( Transcranial Doppler ultrasound. Uses sound waves to determine the velocity of blood movement by your brain. Being familiar with why these vascular anomalies kind is important in creating successful avoidance and treatment https://www.sgvascularctr.com/understanding-venous-malformation-treatments-in-singapore/