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  2. Creatinine Clearance Blood Test: Purpose, Procedure, Results

    www.webmd.com/a-to-z-guides/creatinine-and...

    A creatinine test, also called a serum creatinine test, is a way for doctors to measure how well your kidneys are working. Creatinine is a waste product from the normal breakdown of muscle tissue ...

  3. Ferritin Blood Test: High vs. Low Levels - WebMD

    www.webmd.com/a-to-z-guides/ferritin

    Different labs use different standards. But the normal ferritin levels, by age, are about: 24-336 nanograms per milliliter for adults assigned male at birth. 24-307 nanograms per milliliter for ...

  4. Critical hit - Wikipedia

    en.wikipedia.org/wiki/Critical_hit

    In many role-playing games and video games, a critical hit (or crit) is a chance that a successful attack will deal more damage than a normal blow. The concept of critical hits originates from wargames and role-playing games, as a way to simulate luck, and crossed over into video games in the 1986 JRPG Dragon Quest, [1] set at a fixed rate of 1 ...

  5. Reference ranges for blood tests - Wikipedia

    en.wikipedia.org/wiki/Reference_ranges_for_blood...

    t. e. Reference ranges (reference intervals) for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples. Reference ranges for blood tests are studied within the field of clinical chemistry (also known as "clinical biochemistry", "chemical pathology" or "pure blood chemistry ...

  6. Stages of Chronic Kidney Disease (CDK) - Healthline

    www.healthline.com/health/ckd-stages

    A higher level indicates more kidney damage. ACR levels are staged as follows: A1. lower than 3mg/mmol, a normal to mild increase. A2. 3–30mg/mmol, a moderate increase. A3. higher than 30mg/mmol ...

  7. Retacrit Injection: Uses, Side Effects, Interactions ... - WebMD

    www.webmd.com/drugs/2/drug-175349/retacrit-injection

    Do not inject into an area of skin that is tender, red, bruised, hard, or has scars or stretch marks. Recommended injection sites include the upper arms, abdomen, front of the middle thighs, or ...

  8. Plasma renin activity - Wikipedia

    en.wikipedia.org/wiki/Plasma_renin_activity

    Plasma renin activity ( PRA ), also known as the renin (active) assay or random plasma renin, is a measure of the activity of the plasma enzyme renin, which plays a major role in the body's regulation of blood pressure, thirst, and urine output. Measure of direct renin concentration (DRC) is technically more demanding, and hence PRA is used ...

  9. Microalbuminuria Test: Purpose, Procedure, and Results

    www.healthline.com/health/microalbuminuria-test

    The purpose of the microalbuminuria test is to measure the amount of albumin in the urine. The test is typically used in conjunction with a creatinine test to provide an albumin-to-creatinine ...