Creatinine (/kriˈætɪnɪn, -niːn/; from Ancient Greek: κρέας (kréas) 'flesh') is a breakdown product of creatine phosphate from muscle and protein metabolism...

urea-to-creatinine ratio (UCR), known in the United States as BUN-to-creatinine ratio, is the ratio of the blood levels of urea (BUN) (mmol/L) and creatinine...

through the kidney. The creatinine clearance rate (CCr or CrCl) is the volume of blood plasma that is cleared of creatinine per unit time and is a useful...

albumin in the sample against its concentration of creatinine is helpful. This is termed the albumin/creatinine ratio (ACR) and microalbuminuria is defined as...

Urine protein/creatinine ratio is a widely used initial method to estimate daily protein excretion in urine. Since the diagnosis and management of proteinuric...

called urea and electrolytes (U&E or "U and Es"), or urea, electrolytes, creatinine (UEC or EUC or CUE), and are often referred to as 'kidney function tests'...

catalyses the hydrolysis of creatinine to creatine, which can then be metabolised to urea and sarcosine by creatinase. creatinine + H2O ⇌ {\displaystyle \rightleftharpoons...

in the urine may be compared to the creatinine level in a spot urine sample. This is termed the protein/creatinine ratio. The 2005 UK Chronic Kidney Disease...

the Bowman's capsule per unit time. Creatinine clearance is the volume of blood plasma that is cleared of creatinine per unit time and is a useful measure...

detect kidney problems. It is not considered as reliable as creatinine or BUN-to-creatinine ratio blood studies. BUN is an indication of kidney health...

In enzymology, a creatinine deaminase (EC 3.5.4.21) is an enzyme that catalyzes the chemical reaction creatinine + H2O ⇌ {\displaystyle \rightleftharpoons...

combination of factors such as decreased urine production or increased serum creatinine. Diagnosis of chronic failure is based on a glomerular filtration rate...

abnormally high levels of nitrogen-containing compounds (such as urea, creatinine, various body waste compounds, and other nitrogen-rich compounds) in the...

is often listed in medical literature under incorrect name "creatinine kinase". Creatinine is not a substrate or a product of the enzyme. Reference ranges...

The serum creatinine concentration is the most important blood test as it is used to estimate the function of the kidney, called the creatinine clearance...

concentration of creatinine and symmetric dimethylarginine, but most Birman cats have higher concentrations of creatinine than SDMA. Creatinine is a creatine...

blood of amino acid and protein metabolism end products, such as urea and creatinine, which would be normally excreted in the urine. Uremic syndrome can be...

unilateral significant renal artery stenosis (RAS). An early rise in serum creatinine above baseline is expected after initiation of therapy with Ramipril,...

reaction is a colorimetric method used in clinical chemistry to determine creatinine levels in blood and urine. In 1886, Max Jaffe (1841–1911) wrote about...

reasonably constant level in the plasma.: 228  In the United States, creatinine clearance is more widely used to estimate GFR. A 2017 systematic review...

κρέας (kreas). In 1928, creatine was shown to exist in equilibrium with creatinine. Studies in the 1920s showed that consumption of large amounts of creatine...

antihypertensive drugs. Hypertension. Severe depression, severe kidney failure (creatinine clearance <15 ml/min), as a precaution in the absence of currently available...

function that develops within 7 days, as shown by an increase in serum creatinine or a decrease in urine output, or both. Causes of AKI are classified as...

potassium, chloride, bicarbonate, blood urea nitrogen (BUN), magnesium, creatinine, glucose, and sometimes calcium. Tests that focus on cholesterol levels...

people with creatinine clearance rates equal to or less than 30 mL/minute. A half-life of 22–50 hours has been reported for people with creatinine clearances...

blood test. A decreased creatinine clearance indicates poor kidney function. In interventional radiology, a patient's creatinine clearance levels are all...

clearance of inulin. Creatinine is sometimes used instead of inulin as the reference substance; for example, the calcium-creatinine clearance ratio is used...

→ colored complex Copper + bathocuproin disulfonate → colored complex Creatinine + picrate → colored complex Iron + bathophenanthroline disulfonate → colored...

studies have found cystatin C to be better in this regard than serum creatinine or creatinine-based GFR equations. Because the association of cystatin C with...

derived from the serum creatinine and is proportional to 1/creatinine, i.e. it is a reciprocal relationship; the higher the creatinine, the lower the GFR...