Erectile dysfunction is a repeated inability to develop or maintain an erection of the penis during sexual intercourse. Erectile dysfunction often occurs during sexual activity. The frequency of the latter dysfunction correlates with a patient’s age. Starting 45 years old erectile dysfunction is caused by decrease of blood-flow in penis, dysfunction of small blood vessels, endothelium.
Erectile dysfunction and its types are typically diagnosed during the visit to a urologist. The diagnosis is based on symptoms, echoscopy, testosterone test, glycemia, thyroid hormone concentration in blood, possible penile brachial pressure index.