Doctor insights on:
Blood Serum Electrolyte Test
Accurate: However, occasional errors happen rarely. All labs undergo rigorous validation/inspection by a specialized agency called clia to be licensed. All labs in the us are periodically tested for accuracy. ...Read more
No: Tsh or thyroid stimulating hormone is only good for assessing thyroid function (either good, overactive or underactive). With that said, during that same blood draw, your blood could potentially be checked for testosterone to determine how much you have. This is best done in the morning. Remember that we really should treat the person (and symptoms), not just a number. Make sure benefit > risk. ...Read more
My metanephrine free urine was 51, blood test was 63, normetanephrine free urine 181, blood test 150- total urine 232, blood test 213. Normal?
Sounds normal if....: the upper limits for blood metanephrine and normetanephrine are 0.50nm/l and 0.90nm/l. Urinary levels are, respectively: Total 24 hr. metanephrine =1.3mg for urine; and total plasma ME+NME is less than 205pg/ml. It sound as though you're within the normal ranges, but depending on the units of measure, which vary from lab to lab and med ctr to med ctr., you may not. Meet w/ your endocrinologist. ...Read more
No. For most blood: fasting is not needed & commonly misleading, though promoted. Optimal PSA value <1.0 ng/dL, though called normal up to 4.0 ng/mL. At 1.3 ng/ml (Avodart Trial; most thorough done to date) prostate size, by ultrasound, has doubled young healthy values. If PSA < 1.0, prostate cancer extremely rare. If elevated, consider https://www.accureference.com "Prostate Health Index" test for better guidance. ...Read more
Random blood sugar test result 375mg/dL repeat test done Fasting Plasma Glucose result 228mg/dL. Am I diabetic?
Yes!: You are def a diabetic. Get a glucose meter and check some fingersticks. Completely NL in the AM fasting is 70-100. 101-125 is borderline, >125 is diabetes. Go see a diabetes doc and get an A1C test. Normal is up to 5.7. Pre-diabetic is 5.7 - 6.4. Diabetes is >6.4. Check out this link from the NIH: http://diabetes.niddk.nih.gov/dm/pubs/A1CTest/A1C_Test_DM_508.pdf. You need diabetic tx! ...Read more
Blood test: estimated creatinine clearance test (low), what could it indicate? EGFR & creatinine normal. Potassium & sodium low. 28yr/f
How do you FEEL?: Many (maybe most) pathologists and nephrologists aren't impressed with the current practice of labs estimate GFR, creatinine clearance and so forth from a spot creatinine. Some formulas include race "because black people are more muscular than white people" -- these were never intended to be applied to individuals. Frankly, if your others labs are healthy, I'd ignore it. ...Read more
Blood test report: homocysteine level high/ blood platelets low/ bilirubin high. What could be wrong?
Big picture please: As a lab doctor, this means nothing in isolation. I appreciate your caring & this is no familiar pattern. Is the person clinically healthy? How off are the values? Vegetarians and junk-fooders are equally at risk for high homocysteine as are folks with genetic disease. Bilirubin -- gilbert's? Platelets -- gin and tonic? This isn't something to discuss in a 400-character text thx 4 understanding. ...Read moreSee 1 more doctor answer
Pancreatitis: Typical tests done include amylase and lipase. Amylase can be elevated due to other problems, so lipase is more specific. Any elevation indicates a problem. Lab values are specific to the lab used. Severe pancreatitis can elevate the lipase into the 1000's. Even a small elevation above normal can cause severe pain. ...Read more
Repeat / start worup: High sgot/liver enyzme levels are quite common but do need a workup. Causes range from having gotten drunk a few days previous to taking iboprofen to lack of physical fitness to life-threatening, treatable illnesses like viral or autoimmune hepatitis / hemochromatosis / wilson's / drug allergy. Your physician knows the right way to proceed for you. ...Read more
Hormone test: Human chorionic gonadotrophic hormone is generally increased in pregnancy and serves as the basis of pregnancy tests. Quantitative HCG tests also provide information about the health of the placenta. High HCG levels are also seen in some tumors of the ovary and testes. ...Read moreSee 1 more doctor answer
A blood test showed that i'm B12 deficient. Serum B12 level of 186 pg/ml, should I take vitamin B12 supplements?
B12: this low will likely cause dementia, spinal cord degeneration and peripheral neuropathy. Keep your level above 550 for the rest of your life. Recovery takes about a year in a young person. I suggest you take liquid sublingual weekly for 3 months then bi weekly thereafter. Its important to check a level after you cut back to twice a month. Use 1 1/2 dropper and hold it under the tongue for 30 sec. ...Read moreSee 1 more doctor answer
Is it possible to have too much co2 in blood test for electrolytes, serum? I got 31 meq/l Does it mean I'm not getting enough o2? My pulse lately high
Not a problem: The CO2 you're referring to (in a venous blood sample) is actually a measurement of "carbon dioxide combining power" and not carbon dioxide. It indicates a mild metabolic alkalosis. In an outpatient population, the most common cause is mild volume contraction. If you drink a liter of water, wait a couple of hours, and repeat the test, it will likely normalize. Your kidneys regulate this. ...Read more
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