Doctor insights on:
Levels Of Detection For Drugs In Bloid
A positive saliva test for thc of 26ng/ml and the cutoff was 8ng/ml is that a high level of thc in my system ?
Many factors: influence the presence and/or concentration of a drug, or drug by-product, in a specific specimen. Marijuana byproducts are detectable in saliva from 2 to 24 hours after use. While arbitrary, a concentration of >8 ng/ml meets the legal definition of impairment or intoxication in many states, similar to a blood alcohol content >.08%. 26 ng/ml is high legally & most likely physiologically as well. ...Read more
Yes, possible: I found a 2004 study relating illicit drug use to mild kidney dysfunction. Creatinine increases were the most pronounced with Cocaine and psychedelics, but were also seen with other drugs -- including marijuana. http://www.ncbi.nlm.nih.gov/pubmed/15042540 increased creatinine is one measure of kidney function -- so the risk of kidney disease is higher for drug-abusing people. ...Read moreSee 2 more doctor answers
Need More tests: A single blood sample may not accurately reflect cortisol levels as peak values may have occurred at a different point during the daily cycle, producing a normal blood sample when cortisol levels are actually elevated. The elevation would be detected, however, by 24-hour urine cortisol levels. High urine cortisol can be caused by cushing's, lung cancer, adrenal tumors. ...Read more
50% up every 2 days: Most healthy early pregnancies have a HCG level that rises by at least 50% every 2 days - it's often faster than this and it may double or nearly double every 2 days. It depends how far along you are too - no hormone can go up exponentially forever and HCG peaks at around 10 weeks. ...Read more
Many causes: There are many causes of high serum calcium. In your case it is not due to hyperactivity of parathyroid gland but it is not feasible to say why your calcium is high without additional information. See this site for more info on this subject. http://www.mayoclinic.com/health/hypercalcemia/ds00976/dsection=causes. ...Read more
No: Should not have any effect.Get a more detailed answer ›
What are the tests done for checking cortisol levels in ones body? Incase one is doubtful of cushing's?
Cushing's tests: Hi. Cushing's is a rare disease. The tests most commonly done to establish the diagnosis are 24-hour urine cortisol, overnight dexamethasone suppression, and 3 late night salivary cortisols. If cortisol excess is determined, I'd get an 8 AM serum ACTH, just to see if it's suppressed (establishes ACTH-independent Cushing's). The workup goes on from there. Good luck! ...Read more
Do doctors trust the fertility test that tests for FSH on day 3 of a cycle? They supposedly are positive with levels of 25miu/ml of FSH in the urine.
One way: It is one way and method, but i wouldn't rely on it completely. Other testings available and might be need for confirmation. ...Read more
Can a urine,drug screen detect,the levels of my prescription vyvanse (lisdexamfetamine) all month or just detect that the drug is,there?
Only the presence: urine drug levels do not generally accurately reflect the blood levels (and even less so the brain levels) of any drug. Most of the time, drug tests look for metabolites of the drug, many of which are not even pharmacologically active. So, while they can say that you had a substance on board, they cannot say with any accuracy that you are on a low or high dose, or the right dose. ...Read more
Is there a risk of low ammonia blood levels in a healthy person due to taking high doses of Lactulose daily for constipation?
No: No risk of low ammonia.Get a more detailed answer ›
Not necessarily: Primary hyperparathyroidism and malignancy are the most common causes of increase serum calcium , accounting for more than 90 percent of cases. There are ways to differentiate one to the other ( check intact pth, PTH related peptide etc) . You should see your doctor and have further blood work-up and discussion in management of the problem. ...Read moreSee 2 more doctor answers
What can cause TSH levels to rise when taking the same dose of medication for months, with a history of thyroid cancer and no thyroid?
Might need more: Tsh is made by your body to stimulate your thyroid to produce hormones. Tsh stimulates thyroid cancer, too, so the medicine you take is to keep your TSH level as low as possible. The fact that your TSH has risen might be a sign that you need to take a higher dose of your medication. This is something you should ask your doctor about! ...Read moreSee 1 more doctor answer
What type of blood test is used to check for nicotine in the bloodstream? And how long is nicotine detectable in blood stream?
Nicotine: Either blood nicotine levels or its presence or absence can be determined. The length of time that nicotine stays in the body and that can be a reliable indicator of nicotine use, depends on the amount of tobacco smoked, the number of years smoking tobacco, and the type of nicotine test performed. It can be as short as 2 days, or as long as 3 months. ...Read moreSee 1 more doctor answer
Is the blood test for calcium the same for calcium in the bones? Also, are there any blood or urine tests to check the circadian cycle? Thanks
Need follow-up: An isolated reading of 10-20 WBC may not be worrisome, but it warrants repeating the test in 3-4 months. Be careful to collect the sample properly. You may consult this site for proper urine collection: http://a1.mayomedicallaboratories.com/webjc/attachments/46/e7dc0a4-urine-collection.pdf For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. ...Read more
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