Doctor insights on:
What Are The Causes Of False Negative Results In Stool Blood Testing
If standard test results show blood in the urine could that be because of menstrual blood? Or can the test decipher the difference?
What is the most likely cause of protein and ketones in urine, egfr of 78%, negative cultures and normal blood results.
How much?: Miss a meal and you'll have +1 ketones in your urine. Many people have trace proteinuria and this is okay. You may also have orthostatic proteinuria caused by standing up -- some people are like this -- and this is easily ruled in or out by checking your first-voided urine in the morning. Forget "most likely"; you do need to have the cause found. Best wishes. ...Read more
Risk: That may mean you are at higher risk to develop an autoimmune disorders in the future. Since you are suffering from back pain already at your young age, perhaps you should see a rheumatologist to find out if there is any autoimmune disorder affecting your back unless the cause for the back pain is already known. ...Read moreSee 1 more doctor answer
Here are some...: Tests for blood in urine include, not limited only for medical necessity of individual cases: urine -urinalysis, urine culture; blood - serum creatinine, BUN, etc.; imaging - US, CT, MRI, etc.; cystoscopy, retrograde pyelogram, ureteroscopy, biopsy, etc.. To delve summarily into hematuria, go to http://formefirst.com/hematuria.html. More? To www.HealthTap.com/dr-Lin with RQPWJC to login-I can help ...Read more
Lupus, old age...: False-positive syphilis screens are common in older folks and especially in lupus; that's why we follow up. The herpes antibody blood tests are notoriously unreliable. Interpreting microbiology smears requires expertise; i once had to defend a bogus "child abuse" case in which a pediatrician mistook chickenpox for gonorrhea based on his ignorance interpreting a lab test. ...Read more
Won't alter test: Today's home pregnancy tests are very accurate and not affected by foods, herbs, protein in urine, common illnesses, sexually transmitted diseases, vaginal spotting, or medications. A test gives a reliable result 3 weeks after sex (or when conception might have been) or 1 week after missing a period. If done sooner, a negative result may be due to testing too early, but a positive is likely real. ...Read more
What negative results in paraneoplastic serum panel mean? What the like hood to have the neurology syndrome with negative results?
I don't know: You didn't provide any information about them. Is the result negative or positive? When was it performed in relation to risky behavior? What kind of test was it? I suggest you resubmit your question with more information. ...Read more
Can stool test show occult blood in the bowel.Will the stool test show any indication that there is something wrong in the colon like cancer.Curious!
Why do you ask?: Often there's none until it's too late. There are clinical situations in which it's expected -- famously, damaged valves, atrial fibrillation, or a previous myocardial infarction. An ultrasound / echocardiogram is often the key. Your PVC's, headache and tachycardia are almost certainly not due to an intracardiac thrombus. ...Read more
Urine test lab results show protein and blood in the tribe but no growth. His means its not. Bladder infection. What could the blood and protein be caused by?
Blood and protein: Your urine analysis findings of blood and protein could be caused by a glomerulonephritis (g). Ssee a nephrologist (n) to collect our urine for 24 hours to see how much proteinuria (p) you have as well as having blood taken to see if you have a cause for it. If you have > 1 gram of p/day, you may need a kidney biopsy to get a diagnosis and a prognosis. See a n for an answer to your query. ...Read moreSee 1 more doctor answer
Is a Potassium Blood test result of 5.3 mmol/L and a BUN result of 19mg/dL indicate anything, if all other CBC and CMP results are in range?
Hematuria: Blood in the urine (hematuria) has several common causes. The main reason for concern is that this is how bladder cancer is usually found. But more common causes include bladder infections, kidney stones, and prostate problems in men. Visible blood in the urine, particularly if not associated with pain or burning with urination needs to be evaluated with kidney imaging and cystoscopy (scope). ...Read more
Most: most cancers can show up as shed markers in the urine and blood by performing an ELISA. The problem is that for the most part the markers represent carbohydrate antigens which also appear in an inflammatory condition involving the organ. As such it is recommended to use the markers for following clinical response rather than for diagnosis. ...Read more
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