Doctor insights on:
What Causes Decreased Bun
What the causes of elevated creatinine with normal urea?and causes of increase urea with normal creatinine?
Homework?: This is more than we can handle in 400 words, you know reference ranges are set so several % of healthies fall outside, that all well-muscled men have "high creatinine" and that labs mean nothing apart from people. This said, (1) healthy bodybuilder, people on Bactrim (sulfamethoxazole and trimethoprim) or Tagamet, others; (2) dehydration, after big steak dinner. Try to understand the basic biology instead of just lists. ...Read more
Co-tango usually: The BUN is usually 10 times the creatinine. When the creatinine goes up, the BUN goes up similarly to roughly keep this proportion, in most kidney disease states. The notable exception is when the creatinine goes up say by 20% to 1.2, but the BUN goes up *5 to 50. This strongly suggests a pre-renal state, commonly dehydration. Mild elevations of BUN with normal creatinines aren't of concern. ...Read more
Bone diseae/gallblad: Alkaline phosphotase is elevated in diseaes of gall bladder/liver or diseases of bones. ...Read more
A Couple of Things: Thirst is controlled by a center in the brainstem. That center is sensitive (exquisitely so) to the concentration of sodium in the blood. So, from that, you can gather the two simple answers. If the sodium level is too low for any reason, it would require more than usual dehydration to raise it to the level triggering thirst. If the center is less responsive (old age) the thirst signal is weaker. ...Read more
Need more info: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, it would have helped to know the total WBC as it is the absolute neutrophil count that is more important. See this site for info. https://www.nlm.nih.gov/medlineplus/ency/article/003657.htm ...Read more
Could be normal : High Albumin in the urine is usually due to kidneys diseases most likely related to diabetes. Multiple other disease cause spilling of urine by the kidney like glomerulonephritis . Albumin in the urine can be a variant of the normal especially in young people where spilling urine happens due to standing a long time and goes away when they lie down. ...Read moreSee 1 more doctor answer
Several categories: 1. A false count due to platelet clumping 2. Destruction of platelets 3. Your body not making enough platelets #1 can be ruled out by having someone look at your blood smear. #2 can be caused by your immune system, medications, or an enlarged spleen. #3 can be from a problem with your bone marrow (leukemia, lymphoma, fibrosis), a nutritional deficiency, drug, or toxin. Lots of causes! See a doc ...Read moreSee 1 more doctor answer
Several Things: High HDL levels may be the result of genetics (hyperalphalipoproteinemia), exercise, increased alcohol intake, or medications (niacin, fibrates). Rare causes include obstruction in the biliary tract, very high blood levels of dilantin, and organophosphate toxicity. ...Read moreSee 1 more doctor answer
Decrease in flow.: Bun=blood urea nitrogen, byproduct of proteins ingested, if rise to high levels due to kidney problem, can cause toxic affects on the body. Creatinine= measurement of renal function. Normal bun/cr ratio about 10. The higher that ratio, the more likely it is not intrinsic kidney disease per se, but reduction in blood flow or volume to kidney, like when on strong diuretic-prerenal-reversible. ...Read more
Mean fluid intake 2.5L,mean urinary output 700ml.Creatinine,BUN,uroanalysis,proteins all normal.No hot days,no much sweating.What could cause low out?
Staying hydrated: You probably began your experiment dehydrated. There are of course "insensible losses" or volume losses that can't be measured-- mostly this is from the humidified breath. That can amount to 0.5 L right there. You also lose water in the stool... You could account for that. Try the experiment when your urine is clear- when you are not mildly dehydrated. I think you will get better results. ...Read more
Factors: A simplistic way to look at it: potassium levels can be high if the dietary intake is high, if the excretion is low (eg. In kidney disease, or in certain states when the kidneys can't excrete potassium well even if the function otherwise is normal like rta), or if potassium shifts from inside the cells to the blood stream. ...Read more
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