Treatment of AVMs is sophisticated and may be reserved for symptomatic situations. Stage I lesions are often left for observation and shut adhere to-up. This enables baseline indicate and systolic pulmonary arterial force measurements. Vasodilator therapy, mostly milrinone, is administered if pulmonary arterial pressures enhance to better than 25 mm Hg https://www.sgvascularctr.com/understanding-venous-malformation-treatments-in-singapore/