Yikes! What kind of damage did his erection cause in 55 hours?
Priapism is classified in two types, including high-flow or “non-ischemic” priapism in which well-oxygenated blood accumulates in the penis and low-flow, or “ischemic” priapism in which venous blood persists in the corpora cavernosa.2 The latter category is the one associated with antipsychotics and is considered a urologic emergency with potentially serious long-term complications such as impotence that can develop in 40% to 50% of the patients, regardless of treatment.3
http://www.primarypsychiatry.com/aspx/articledetail.aspx?articleid=1281