Priapism is an erection of more than 4 h without sexual stimulation. Ischemic priapism may lead to irreversible erectile dysfunction after a long-lasting period. Stuttering priapism is characterized by a pattern of recurrence that may progress to an unrelenting ischemic crisis. which is a urological emergency. https://www.roneverhart.com/33-14-50R24-HD878-R-T-Special/