ED symptoms include difficulties in achieving an erection, arousal, climax, and sexual desire. These symptoms may be secondary to other medical conditions and should be evaluated by a physician. Lab tests and a thorough physical examination are also important in diagnosing ED and determining treatment options. Lab tests include urinalysis and blood tests. Blood tests can detect underlying problems such as kidney or liver dysfunction. Liver enzymes and lipid profiles can also reveal a problem. In some men, a test known as duplex ultrasound may be performed to evaluate the function of the heart and kidneys. The test can detect any signs of atherosclerosis or tissue scarring. Other symptoms of ED include premature ejaculation, which occurs before the vaginal penetration is completed. A man
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