A 38 year old man presents with a painful penile erection for the past 4 yours. His medical history includes IV drug use. His observations are normal.

1. List (2) types of priapism with their underlying pathology and give (2) causes (examples) for each type. (6 marks) 6 marks

2. Outline your stepwise management for this patient (including dose/route where necessary) (6 marks) 6 marks