1 – History :
A – medical history :
1 – Diabetes , hypertension .
2 – previous pelvic surgery .
3 – Drug history .
B – Sexual history :
1 – libido status ( sexual desire . ) .
2 – morning erectile status .
3 – onset of ED .
4 – previous sexual relationship .
5 – arousal status .
2 – Examination :
A – General :
This could be as blood pressure , peripheral pulsation ; hair distribution ; gynecomastia .
B – Local ( genital . ) :
a – penis : size , scars .
b – testis : size , consistency .
C – DRE : for older patient group .
3 – Investigations :
A – laboratory :
as glycemic state , lipid profile , hormonal assay ( hypogonodal . ) .
B – imaging :
1 – penile duplex study : can give an idea about the erectile vascular status .
2 – caverbosometry : rarely needed nowadays .
3 – autobiography : rarely done : ( traumatic causes only . ) .
C – others :
1 – Regiscan : used for detection of erection during sleep ( can exclude organic male erectile dysfunction ( ED ) .
2 – Intracavernousal injection of vocative substances : official based diagnosis .