Phased array or curvilinear probe
Suprapubic
Identification: anechoic (black) fluid within a structure defined by hyperechoic (white) appearing borders
May need to turn down far gain secondary to acoustic enhancement from bladder
May use power Doppler over the inferior border can demonstrate ureteral jets
Bladder ultrasound
Bladder lavage
Suprapubic bladder aspiration
Renal ultrasound
Suprapubic catheter placement
Urine analysis
Pelvic ultrasound 
Digital EpiPen injection