Dr. Qingwei Robert Yan M.D.

Oliguria is a medical term used when referring to a decreased urine output. Oliguria is considered when a person’s urine output is less than 400 mL in a 24-hour period. When it comes to infants, oliguria occurs when the urine output is less than 0.5 mL/kg/hr for 24 hours. Anuria is the absence...

In case you have symptoms of bladder cancer such as the presence of blood in the urine, you should see your doctor immediately. Your doctor will use many tests to possibly diagnose a bladder cancer and will also find out how far it has spread. Sometimes, bladder cancer may have spread to other parts...

Erectile dysfunction also called as ED in medical terminology, is the inability to get or keep an erection firm enough to have sexual intercourse. In severe cases, it is referred to as impotence. Many men experience it during times of stress, but it can also be the result of underlying health...

It has become a popular myth that watching too much of pornography can cause an erectile dysfunction in men. Many men, who are addicted to porn, are reported to have a porn-induced erectile dysfunction. There are many doctors and reports that explain that this disease is rather psychological in...

When we talk about prostate cancer, we are referring to a condition that affects the prostate gland. The condition is only found in men. The simple reason is that only men have the prostate gland. The prostate gland is located beneath a man's bladder and around the urethra. The primary function of...

Laparoscopy involves the inspection of the abdominal organs or the female pelvic organs through the use of a thin, lighted tube that is inserted through an incision made in the belly. It is used to locate complications such as adhesions, cysts, infections, and fibroids. The tube used in the...