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When would you use a sigmoidoscopy over a colonoscopy?

The advantage a sigmoidoscopy has over a colonoscopy is that the bowel does not need to be prepared. In other words, whereas a colonoscopy requires the patient to clean their colon with bowel prep, a sigmoidoscopy can be performed on an unprepped patient. Therefore, if an emergency or unstable patient requires direct visualization of the distal bowel, a sigmoidoscopy would be ideal (suspected c. difficil colitis, massive bleed from the rectum, etc).

Related Questions:

  1. I have been sick for quite some time with stomach problems and lung problems. I recently had a D Dimer done which resaults were 2.0 as well on a ct scan they found There is atelectasis in the lingula anterolaterally and inferiorly. Atelectasis versus scarring is seen in the midaspect of the lung bases. There is a tiny, non calcified nodule in the left major fissure measuring 0.4 cm in diameter. That was directly from the resaults. Quite a few family members including aunts uncles and mother had blood clots in their lungs. As well my grandfather passed of lung cancer when I was about 12 years old. Is there any advice you can give me? I have tried getting answers from my primary who just blows me off stating I have mood problems (which they said I had right after the lose of my 25 day old son so yes I would be majorly depressed.) I have tried getting answers for a while now with no real answers just that it is in my head because “I have Depression due to the lose of my son.” This same doctor tried telling me that all my lower left abdominal pain was from a cyst on my overy which I was diagnosed with Diverticulitis by a different Dr who ordered a colonoskopy(spelling?) My dr wanted me to cancel that procedure which I am not going to because I feel that procedure is nessasary to find the full cause of my stomach pain but my dr perscribed 2 antibiotics because my wbc was elevated. (he said that was caused because of diverticulitis yet according to him I dont have that) I know it dont make since. Also when I eat certion foods my stomach pain gets worse.
  2. I ask my Mom About her condition when it really start. She said to me it start when she is pregnant for the 4rth baby.While shes pregnant,she walk with a limp. And sometimes she use a cane or a crutches. After the the 4rth baby was born thats the time she cant walk or stand.she have fearness to control her balance. In that time she is 30 years old. We have four childrens in our family. I am the third child on that time. My Older sister on that time is 11, my 2nd borther is 6,and I am 4 years old. I am to small yet to remember. But this is my Mom History when we are little. After my younger brother born. 3-4 months later they go in the hospital to check my Mom health condition. According to the Doctor she have a tumor in his spinal column. The Doctor said it really needs surgery. 2 weeks after the surgery done. They go home.The Doctor said 3-6 months my Mom will be walking. And then my Mom stayed at home. She said to me while she at home she dont really have any Physical Therapy to help her. Except her Sister she help to exercise her legs sometimes. That is really big different because there is no Proffessional Therapist help my Mom that time. We dont have money. I was to small then 4 years old. I cant remember what is really happened to my Mom. My older sister she is 11 years old. She is the one taking care of me, as well as my 6 years old brother.Thats why untill now still hoping, If my mom have the chance to walk again. My youngest brother is 24 years old. Thats the time she starts cant walk after my younger brother born. Its starts in year 1987- up to this year 2011. She is in the wheelchair now. As i mentioned in my first question. If i try to pinch her both legs it start jumping. she still feel a sensation if i touch her legs. By the way my Mom lived in the Philippines right now. Thank you very much for reading my long questions! Hope my Mom have the chance to walk again. Any Advice would be very much appreciated. Thank you very much. Have a good Day!
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