Figure 1. This figure reveals an ultrasound Duplex Flow of Penile artery that was initially performed. The velocity is 150cm/sec which indicates penile rigidity

From

A Rare Case of Recurrent Idiopathic Low-flow Priapism that Developed into a High-flow Priapism

Obed Agyei, Sakshi Joshi, Jeffrey Nalesnik MD, Arman Froush DO, Everardo Cobos MD

American Journal of Medical Case Reports. 2020, 8(8), 237-239 doi:10.12691/ajmcr-8-8-6