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Doctor insights on: Vago Vagal Response And Colonoscopy

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Dr. Charles Cattano
2,044 Doctors shared insights

Colonoscopy (Definition)

Colonoscopy is the procedure of using a long flexible camera to visualize the entire colon from the inside with the option to take pictures, video, perform biopsies, remove polyps, etc. Generally people are sedated and do ...Read more


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Are you born with vagal response or viovagle synscope? And why would it just start happening? Are there warning signs? Is it caused by stress/anxiety

Are you born with vagal response or viovagle synscope? And why would it just start happening? Are there warning signs? Is it caused by stress/anxiety

Vagal responses: Activation of the vagus nerve typically leads to a reduction in heart rate, blood pressure, or both. This occurs commonly in the setting of gastrointestinal illness such as viral gastroenteritis or acute cholecystitis, or in response to other stimuli, including carotid sinus massage, Valsalva maneuver or pain from any cause, in particular, having blood drawn. The extreme manifestation is syncope ...Read more

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Can the vagal nerve or vagal response be overactive or malfunction? Because whenever I eat anything I get very lightheaded, faintness, pale and shaky.

Can the vagal nerve or vagal response be overactive or malfunction? Because whenever I eat anything I get very lightheaded, faintness, pale and shaky.

Vagal Nerve Problems: Yes, an exaggerate vagal nerve response can contribute to dizziness. Probably, this happens when the vagal nerve causes the heart rate to slow down.

If this happens any more often than rarely, go see your doctor. You need to exclude irregular heart rate rate, fluctuation in blood pressure, and sudden rising or falling blood sugar - three reasons for dizziness around meals. ...Read more

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If a MD presses on the eyes to induce vagal response, can it cause damage in a person with ocular hypertension?

If a MD presses on the eyes to induce vagal response, can it cause damage in a person with ocular hypertension?

Probably Not: I agree with Dr. Fishburn. Carotid massage or eye massage is no longer in vogue for treatment of PAT and other superventricular tachycardia. Pharmacological intervention is more controllable. Trying to induce an oculocardiac reflex is VERY unreliable. I do not think the short duration pulses of higher intraocular pressure would make untreated ocular hypertension advance to actual glaucoma. ...Read more

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What is the procedure for a colonoscopy these days? I tried to make an appt with the physician but got no response.

What is the procedure for a colonoscopy these days? I tried to make an appt with the physician but got no response.

USUAL STEPS: You will be instructed to take a clear liquid diet and not to eat after the evening prior to the procedure. The most important part is to drink all the golitely which will cause diarrhea until stool completely clears and only water is what you see. Its very important to be clean so that minute polyps can be seen and removed and no lesion missed. ...Read more

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So, from dr. Para's response, am I correct in assuming that the internal pressure from a colonoscopy could exacerbate an inguinal hernia?

So, from dr. Para's response, am I correct in assuming that the internal pressure from a colonoscopy could exacerbate an inguinal hernia?

I suppose....: If there is a sliding-type inguinal hernia, with colon contained within the sac, perhaps incarcerated, a colonoscopy could cause some discomfort in that groin. Bottom line would be to get an examination by a general surgeon or your primary care physician and get the hernia fixed! ...Read more

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Is a colonoscopy painful?

Is a colonoscopy painful?

It shouldn't: Colonoscopies for the most part are not painful especially if sedation is used ...Read more

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How deep does a colonoscopy go?

How deep does a colonoscopy go?

Right colon: A proper colonoscopy should reach the right side of the colon to the junction of the colon and the small intestine. ...Read more

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How is a colonoscopy performed?

How is a colonoscopy performed?

Camera on a snake: A video camera on the end of a flexible stalk, not unlike a snake, is inserted through the rectum while you are asleep. You don't feel a thing, you won't remember it, and the only bed part is the prep. ...Read more

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What if I ate before colonoscopy?

What if I ate before colonoscopy?

They would cancel: If you ate, your intestines may not be clean, so a reliable examination becomes difficult to carry out. This means there is going to be likely cancellation of the colonoscopic procedure. ...Read more

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Is colonoscopy the same as a ug i?

No: A colonoscopy is using a camera inserted into the rectum (under some level of sedation) through your colon to the cecum (area of the appendix) which allows us to look for cancer as well as to biopsy areas of abnormality. A UGI is an x-ray procedure where we use x-rays to take a picture of your esophagus and stomach with dye in it which allows us to look for leaks, blockages and other issues. ...Read more

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I have got a colonoscopy question?

What is question?: Colonoscopy is a routine procedure performed with a long flexible endoscope after a bowel clean out. It is usually done under heavy sedation as an outpatient. Polyps can often be removed or other suspicious areas biopsied. You can resubmit a specific question. ...Read more

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How can I prepare for a colonoscopy?

How can I prepare for a colonoscopy?

Bowel prep: Follow your doctors instructions on the oral bowel prep and diet. ...Read more

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What kind of dr do u see colonoscopy?

GI doctor: Colonoscopy is a procedure typically performed by a gastroenterologist for the screening and detection of colorectal cancer and precancerous lesions, usually after age 50. ...Read more

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When does someone need a colonoscopy?

Depends: It is recommended that a baseline screening colonoscopy be done about the age of 50 in those with no symptoms. People with a family history of colon cancer in close relatives should have one about 10-15 years before that relative was diagnosed with colon or rectal cancer. Patients with rectal bleeding or other symptoms should visit their doctor and discuss colonoscopy regardless of age. ...Read more