Doctor insights on:
Do You Need To Be Npo Before A Thyroid Scan
The patient ingests radioactive iodine or has intravenous injection of radiotracer technetium to define structure, size, and function of thyroid gland. Overactive ( hyperthyroid) normal, and underactive thyroid glands are determined. Sometimes autoimmune conditions and tumors of the gland can be suspected. Correlative imaging ultrasound, mr imaging, and blood tests ...Read more
Would you be able to see if a patient had throat cancer if doing an upper endoscopy? How sure can you be you don't have throat cancer when result neg?
Perhaps: An upper endoscopy is a fiberoptic procedure typically administered by a gastroenterologist. The patient is usually sedated and lying down. The goal of this procedure is to look at the upper GI tract. A better exam to evaluate for laryngeal or pharyngeal cancer is a flexible fiberoptic laryngosocpy. This is performed by an head and neck surgeon. It is a smaller scope passed through the nose. ...Read more
32 ounces water: Typical instructions are to drink 32 ounces of water and be finished drinking one hour prior to exam. Cannot urinate until after exam. ...Read more
What kind of test can be done to make sure you have trigger finger before surgery is done. Just want make sure before surgery had be done. ?
Not sure you : Need any test a clinical exam should be sufficienct. ...Read more
Lab tests: The common tests for both condition are: TSH and free t4. For hyperthyrodism, you will also need a free t3 (liothyronine). Once your doctor has these results, more tests might be needed such as thyroid antibodies, thyroid ultrasound, thyroid uptake and scan and possibly thyroid biopsy. The latter tests are usually not needed if tsh, free T4 and free T3 (liothyronine) are normal. ...Read moreSee 1 more doctor answer
Why would thyroid panels need to be done in linear dilution to find hypo. thyroid issues? Mom had to have this if not her disease didn't show up?
Hypothyroid diagnosi: This does not make sense. Most assays for FT4 and TSH have a broad range, and the diagnosis of hypothyroidism (low FT4, high TSH) is clear. If your mom's TSH was very high, maybe >150, they may have needed to dilute the sample, but it really doesn't matter if the TSH is 100, 200, or more. It's high. ...Read more
If you went to see if you got osa from your primary care doctor she said to you absolutely you don't have sleep apnea but 2 weeks later you ?
R/O OSA: OSA can be suggested by history and physical. Excess snoring/daytime sleepiness/apneic episodes/ aM headaches. And the Exam obesity/small oral airway/collar size>18. The definitive test is a PSG with split night study and CPAP titration. I would request copy of sleep study and get a second opinion if you are not satisfied with the options. ...Read moreSee 1 more doctor answer
Parathyroid tumor - if you had one removed, will you have to take meds like if you removed your thyroid?
Hypothyroid: The ultrasound does not test for function. Blood-work is needed. ...Read more
What would happen if you were to drink liquids prior to a surgical procedure? Is it dangerous? Maybe an hour before
Cancel operation: Not eating or drinking before a surgical procedure is required as there is a risk with anesthesia of emesis and aspiration of stomach contents. This can lead to a horrible pneumonia. Taking key medications (like blood pressure) with a sip of water is ok but check with your surgeon. ...Read moreSee 1 more doctor answer
How should I be expected to fast for 8 hours to do lab work if i could possibly have insulinoma? I don't understand how considering the circumstances
Opposite effect: I don't really know what is being tested but the problem with insulinomas are actually the drop in blood sugar after eating. The rise in blood sugar after eating causes the production and release of too much Insulin as a response to the rise in blood sugar. After fasting, the proinsulin, c peptide, blood sugar is tested and correlated and imaging may be done if suspected. ...Read more
I have to get blood drawn tomorrow to see if i have a thyroid problem, will it be able to tell if I'm pregnant?
I ve liver cysts,largest7 mm,do they need monitoring?can they grow in size?if so what period would you suggest after which second mri needs to be done
Variable: This can vary from no follow up to imaging every 3-6 months. This depends on the type of lesions you have. Simple cysts can grow but are benign. They are only acted upon (such as unroofing) to drain if large AND causing symptoms but i don't want to assume you have such a cyst. You should see a GI doctor or liver specialist to discuss what follow up is needed ...Read more
With a transvaginal ultrasound or bloodwork, will the doctor be able to tell if I've ovulated already ?
Depends: Depends on the planned operation and your underlying health. There are some tests that are often done to assess risk and help in planning the operation. Routine labs and often an ekg are done. Almost always, pulmonary function tests are performed to assess lung capacity. If there are risk factors or symptoms present, it may make sense to do a stress test. ...Read moreSee 1 more doctor answer
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