Treatment of AVMs is advanced and will be reserved for symptomatic circumstances. Phase I lesions are often still left for observation and close follow-up. This enables baseline mean and systolic pulmonary arterial tension measurements. Vasodilator therapy, principally milrinone, is administered if pulmonary arterial pressures enhance to better than twenty five mm https://www.sgvascularctr.com/understanding-venous-malformation-treatments-in-singapore/