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Dr. Luis John Hernandez, MD is a gastroenterologist in NAPERVILLE, IL specializing in adult gastroenterology. He graduated from University of Illinois College of Medicine at Chicago. Dr. Luis John Hernandez, MD is affiliated with Endeavor Health, Northwestern Medicine and Duly Health and Care.
Colonoscopy
Colonoscopy is the use of a special tool called a colonoscope (a thin, flexible tube with a camera on the end) to examine the inside of the colon and rectum. The tube is typically inserted anally, and it allows the physician to examine the large intestine from the inside. It may be done at any time to diagnose bowel problems, but routine colonoscopies are advised after the age of 50 to screen for colon cancer.
A colonoscopy may be performed to diagnose:
Patients may be asked to drink only liquids in the days before a colonoscopy, or they may be given an enema to remove residual fecal matter. Before the exam, patients are given medication to help them relax, and then lay on their side on a table. The scope is inserted into the anus and gently moved all the way through the large intestine. Air may be pumped into the intestine to improve the view for the physician. Any polyps that are found will be removed. Then the colonoscope will be withdrawn. A colonoscopy is not usually painful, but patients may feel some bloating or have some cramps right afterward. If patients have polyps removed, they might experience a small amount of bleeding. Any side effects should go away within a few hours.
Dr. Luis John Hernandez, MD graduated from University of Illinois College of Medicine at Chicago. He completed residency at Washington University Medical Center in St. Louis. He is certified by the American Board of Internal Medicine - Internal Medicine (Certified) and has a state license in Missouri.
Medical School: University of Illinois College of Medicine at Chicago
Residency: Washington University Medical Center in St. Louis
Board Certification: American Board of Internal Medicine - Internal Medicine (Certified)
Licensed In: Missouri
Dr. Luis John Hernandez, MD is associated with these hospitals and organizations:
Dr. Luis John Hernandez, MD has an exceptional overall rating with an average of 4.79 out of 5 stars based on 87 ratings. We collect ratings and reviews of Dr. Luis John Hernandez, MD from all over the web to help you find the right in NAPERVILLE, IL.
Dr. Luis Hernandez's specialty is adult gastroenterology. Areas of expertise for Dr. Hernandez include polypectomy (polyp removal), hemorrhoid banding, and celiac disease. On average, patients gave Dr. Hernandez a rating of 5.0 stars (out of 5). He is a graduate of the University of Illinois College of Medicine at Chicago. Dr. Hernandez's medical residency was performed at Washington University Medical Center in St. Louis. He has received the following distinction: Digestive Disease Week Poster of Distinction ACG Annual Scientific Meeting Presidential Poster Award. He speaks Spanish. He is affiliated with Edward Hospital and Duly Health and Care. His practice in NAPERVILLE, IL is open to new patients as reported by Doctor.com.
