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Renal function test ppt

RFT - Tests for Glomerular FunctionRenal Clearance TestsTo assess the rate of glomerular filtration &renal blood flow. The renal clearance of a on substance is defined asthe volume of plasma from which the substance iscompletely cleared by the kidneys per minute.. This - plasma conc Renal function test •The following parameters are commonly included in assessing renal function (the normal values/reference range is mentioned) •Serum Urea ( 15-45 mg/dl) •Serum Creatinine (0.6 -1.2 mg/dl) •Serum Uric acid (males 3.5-7.2 mg/dl, females 2.6-6 mg/dl) •Total protein (6.4-8.1 g/dl) •Serum albumin (3.2-4.6 g/dl No notes for slide. RENAL FUNCTION TESTS (RFT) 1. Maintenance of homeostasis: The kidneys are responsible for the regulationof water, electrolyte & acid-base balance inthe body. Excretion of metabolic waste products: The end products of protein & nucleic acidmetabolism are eliminated from the body. These include urea, creatinine,.

Renal function tests - SlideShar

  1. Tests of renal function Tests of renal function Tubular Functions: • Serum electrolytes • ABG • Urine concentration test • Urine dilution test Glomerular Filtration Rate Glomerular Filtration Rate It is the major physiologic responsibility of kidney and it is used as index of overall excretory function
  2. and cool a)Green ppt b)Brick red ppt c)Yellow ppt a)1% glucose b)2%glucose c) More than 2% glucose Fehling's reagent test: 2ml of Fehling's A and Fehling's B +2ml urine boil for 2 to 5
  3. Renal function tests 1. RENAL FUNCTION TESTS 2. Vital role in body's homeostasis 3. Functional unit of kidney is nephron Glomerular capillary network Bowman's capsule Proximal tubule Loop of henle Distal tubule Collecting duct 4. STEPS IN URINE FORMATION GLOMERULAR FILTRATION TUBULAR REABSORPTION TUBULAR SECRETION 5
  4. D3 Cortex Glomeruli Medulla Renal tubules (with calyces for

Renal Structure and Function - Renal Structure and Function Introduction Main function of kidney is excretion of waste products (urea, uric acid, creatinine, etc). Other excretory organs are ? | PowerPoint PPT presentation | free to vie Many diuretics produce osmotic diuresis by inhibiting sodium reabsorption Renal Function Tests Renal Clearance the volume of blood plasma from which a particular waste is removed in 1 minute. b. can be measured indirectly by measuring the waste concentration in blood and urine, and the urine volume

PPT - Chapter 4 Urine tests and renal function tests

As kidney function is compromised, glomerular filtration and renal tubular reabsorption are impaired. This impairment is reflected in blood and urine tests. Renal function tests help to screen the individual for renal disease and to determine the extent or progression of rental disease Review of common renal diseases requiring renal function tests Tests of Kidney Function •Creatinine •Glomerular filtration rate •Urine albumin •Cystatin C •Urinalysis Dipstick Microscopic •Blood urea nitrogen (BUN) •Osmolality •Urine protein •Urine protein electrophoresis •Kidney stone assessment Calcium, citric acid, uric acid, oxalat Renal Blood Flow (RBF) Blood enters the kidney through the renal arteries and divides into progressively smaller arteries (interlobar, arcuate, and interlobular arteries) until it enters the glomerular capillary through the afferent arteriole. A portion of the plasma that enters the glomerulus is filtered across the glomerular membrane; this is called Renal Blood Flow (RBF

biochemistry basics biochemistrybasics by dr amit clearance test biochemistry clearance test for renal function creatinine clearance test cystatin c vs creatinine dr amit maheshwari e-GFR inulin clearance test kft kidney kidney function test kidney function test biochemistry renal function renal function test renal function test biochemistry renal function tests explained renal function tests with interpretation rft rft biochemistry urine examinatio

water, pH, electrolyte balance, production of calcitriol. and erythropoietin (Box 25.1). A decrease in kidney. function is due to a reduction in the performance. of nephrons. The functional unit. Major Metabolic Functions of the Liver Synthetic Function Plasma proteins (albumin, globulins), cholesterol, triglycerides and lipoproteins Detoxification and excretion Ammonia to urea (urea cycle), bilirubin, cholesterol, drug metabolites Storage Function Vitamins A, D, E, K and B12 Production of bile salts Helps in digestion Some example of liver dysfunction Hepatocellular disease Cholestasis (obstruction of bile flow) Cirrhosis Hepatitis Jaundice Liver cancer Steatosis (fatty liver. A renal function assessment should be done prior to the start of cancer drug treatment to ensure that the patient has adequate renal function to eliminate renally cleared drugs. This baseline value also serves as point of reference to which future measurements are compared. Declining renal function may suggest the need fo The Nephron Is the Basic Unit of Renal Structure and Function Each human kidney contains about one million nephrons (Fig. 22.2), each of which consists of a renal corpuscle and a renal tubule. The renal corpuscle consists of a tuft of capil-laries, the glomerulus, surrounded by Bowman's capsule. The renal tubule is divided into several segments A Better Test for Kidney Function. Kidney function can be estimated more precisely by measuring blood levels of both creatinine and cystatin C than by using either marker alone, a new study found. The technique could help doctors more accurately diagnose chronic kidney disease

RENAL FUNCTION TESTS (RFT) - SlideShar

Renal functions.ppt - Renal Renal function function Tests ..

  1. Start studying MLT105 Week 2- PPT- Intro to Kidney Anatomy and Function (chapters 4 & 5). Learn vocabulary, terms, and more with flashcards, games, and other study tools
  2. Neutrophil Gelatinase-associated Lipocalin. NGAL is a 25-kD protein of the lipocalin family that is widely expressed and functions as a growth and differentiation factor in multiple cell types and also has a role in iron trafficking in renal epithelium. [] Up-regulation of NGAL transcription and protein expression occurs as a result of ischemic or nephrotoxic kidney injury, which can be.
  3. Kidney Function Tests PPT 2003 - authorSTREAM Presentation. Slide 10: blood tests Blood urea nitrogen test (BUN) Urea is formed in the liver, and filtered from the blood and excreted in the urine by the kidneys
  4. D activation (calcium and phosphate levels in check.
  5. Renal Blood Flow and its Regulation (phosphates) and ammonium ions References Miller s Anaesthesia, 6th ed. Functional anatomy and renal physiology. - A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 403e5d-OTY1
Kidney disease diagnosis

Chronic Renal Failure: Chronic kidney disease (CKD) Introduction- Chronic kidney disease (CKD), is a progressive loss in renal function over a period of months or years. Chronic kidney disease is diagnosed as a result of screening of people known to be at risk of kidney problems, such as those with high blood pressure or diabetes Clearance studies have lost much of their importance in clinical nephrology during the last two decades, having been replaced by percutaneous renal biopsy for diagnostic purposes. Serum creatinine, if increased, is a rather reliable index for glomerular filtration rate (GFR) provided nonrenal factor Blood test. The main test for kidney disease is a blood test. The test measures the levels of a waste product called creatinine in your blood. Your doctor uses your blood test results, plus your age, size, gender and ethnic group to calculate how many millilitres of waste your kidneys should be able to filter in a minute Kidney function tests target either the blood or urine and measure different aspects of kidney function. Often, doctors will order more than one test at a time to get a broader picture of the.

Renal artery stenosis and Secondary hypertension

The global kidney/renal function test market exhibited moderate growth during 2015-2020. Looking forward, IMARC Group expects the market to grow at a CAGR of around 6% during 2021-2026. Keeping in mind the uncertainties of COVID-19, we are continuously tracking and evaluating the direct as well as the indirect influence of the pandemic on. 16.2.1 Renal function measurements . Renal haemodynamic functions can be divided into measurements of : • renal blood flow: supply of blood to the cortical and extramedullary nephrons which are the functional unit of the kidney • glomerular filtration: transfer of fluids across the glomerulu

Renal Physiology (I) - Kidney Function & Physiological Anatomy

kidney function tests - SlideShar

Blood Tests: Blood tests are integral to kidney function test. Serum creatinine is checked. High levels of creatinine are not good as creatinine is waste which comes from normal depreciation of body muscles. Levels of creatinine in blood depend on race, age and body size. In women, levels higher than 1.2 and in men levels higher than 1.4 are. A renal nuclear medical scan is used to diagnose certain kidney diseases. It shows not only what the kidneys look like, but also how well they work. Your doctor can use this to pinpoint certain health issues much sooner than with other methods. In this test, images are made to see how blood flows into and out of the kidneys The functional unit of the kidney is the nephron. Each kidney consists of millions of nephron which plays a significant role in the filtration and purification of blood. The nephron is divided into two portions, namely, the glomerulus and the renal tubule and helps in the removal of excess waste from the body The routine kidney blood test is a general marker of kidney function. If the blood test is abnormal it cannot say what is causing the kidney problem. Therefore, if you have an abnormal result you may need further tests to find the cause of a kidney problem. For example: urine tests, other blood tests, scans, X-rays, kidney biopsy, etc

PPT - Kidney - structure and function PowerPoint

A renal scan identifies problems with kidney function. Normally, the two kidneys: remove urea, or liquid waste, from the blood by producing urine; maintain a balance of chemicals, such as sodium. A creatinine and Blood Urea Nitrogen (BUN) blood test, outside the normal range. BUN and creatinine are waste that build up in your blood when your kidney function is reduced. A glomerular filtration rate (GFR) less than 60. GFR is a measure of kidney function. More frequent urination, particularly at night; difficult or painful urination Kidney (renal) trauma is when the kidney is hurt by an outside force. There are two types of trauma Blunt and Penetrating Trauma. Blunt Trauma. The best sign of blunt kidney injury is blood in the urine ( hematuria). Sometimes the blood can be seen with the naked eye. Other times, it can only be seen through a microscope Renal dysfunction occurs in a variety of diseases and scenarios. Acute kidney injury results from trauma to the kidney during an accident or a medical procedure, including ICU acute renal failure. Chronic kidney disease results from another disease, such as diabetes mellitus, or from an inherited syndrome. Early detection of dysfunction may be important in prevention of further dysfunction The correct answer is: 5. Explanation: There are 5 stages of chronic kidney disease: - Stage 1: Normal kidney function, but there are signs that point to kidney disease. - Stage 2: Mildly decreased kidney function, and there are signs that point to kidney disease. - Stage 3: Moderately reduced kidney function

• Liver function tests are best referred to as liver tests or liver chemistries. Abnormal Liver Tests Abnormal Liver Tests • True liver function tests are not widely used - galactose clearance, aminopyrine clearance tests. • Abnormal liver chemistry results occur in as many as one-third of patients screened This article explains the renal clearance, tubular transport and the RAAS in renal physiology. It is an complex issue, which is therefore an important topic in exams. Glomerular filtration , renal clearance , tabular transport , countercurrent multiplier theory , pathophysiology . Read more

Uses of Kidney Function (5) Test. If GFR value is below 60, it indicates kidney disease. The GFR number depends on the creatinine level in the blood. A damaged kidney is unable to filter creatinine produced by the muscle tissue well enough from the blood. The creatinine level that is obtained is matched with other parameters like age, gender. State 8 major functions of the kidneys. Define the balance concept. Define the gross structures and their interrelationships: renal pelvis, calyces, renal pyramids, renal medulla (inner and outer zones), renal cortex, and papilla. Define the components of the nephron-collecting duct system and their interrelationships: renal corpuscle, glomerulus, tubule, and collecting-duct system Thyroid hormones influence renal development, kidney hemodynamics, glomerular filtration rate and sodium and water homeostasis. Hypothyroidism and hyperthyroidism affect renal function by direct renal effects as well as systemic hemodynamic, metabolic and cardiovascular effects. Hypothyroidism has b Chronic kidney disease (CKD) is defined as the presence of kidney damage or an estimated glomerular filtration rate (eGFR) less than 60 ml/min per 1.73 square meters, persisting for 3 months or more. It is a state of progressive loss of kidney function ultimately resulting in the need for renal replacement therapy (dialysis or transplantation)

Your doctor will refer you for a nuclear medicine renal scan to look at the blood supply, function and flow of urine from the kidneys if it is suspected that there are problems with how your kidneys are working. Reduced kidney function may be shown in abnormal blood tests, high blood pressure or abnormal results obtained from the urine itself Blood tests. Kidney function tests look for the level of waste products, such as creatinine and urea, in your blood. Urine tests. Analyzing a sample of your urine may reveal abnormalities that point to chronic kidney failure and help identify the cause of chronic kidney disease. Imaging tests Renal scintigraphy, also known as renal scans refers to several examinations using radiopharmaceuticals that evaluate the function and anatomy of the kidneys. Renal scintigraphy is one of many imaging methods used to evaluate the kidneys. Ultrasound, computed tomography (CT), and magnetic resonance imaging (MRI) can also be used As kidney disease gets worse, the level of creatinine goes up. Read more about blood and urine tests for kidney disease. Kidney Biopsy. A kidney biopsy is a procedure that involves taking a small piece of kidney tissue for examination under a microscope. A doctor performs the biopsy in a hospital using imaging techniques such as ultrasound or a.

Blood tests for kidney disease. The best measure of kidney function is the glomerular filtration rate (GFR), which can be estimated from a blood test that checks the blood for creatinine (a waste product made by muscle tissue). A normal GFR result is higher than 90 mL/min/1.73 m2 Function tests are the tests carried out to assess whether a particular organ is functioning normally or not. Liver function tests (LFTs) are a group of tests that help in diagnosis, assessing prognosis and monitoring therap

Glomerular Filtration Rate Renal Function Physiolog

1. Kidney damage for ≥ 3 months, as defined by structural or functional abnormalities of the kidney, with ou without decreased GFR, manifest by either :-Markers of kidney damage, such as proteinuria, abnormal urinary sediment, or abnormalities in imaging tests 2. GFR < 60 mL/min/1.73m 2 for ≥ 3 months, with or without kidney damag Liver function tests (LFT) are a helpful screening tool, which are an effective modality to detect hepatic dysfunction. Since the liver performs a variety of functions so no single test is sufficient to provide complete estimate of function of liver

Physiology of kidney‫

Kidney function Tests - Biochemistry Basics by Dr

  1. Patient Information Chronic kidney disease (CKD) implies permanent damage to the kidneys. This may be due to abnormal kidney structure, or various disease processes. CKD is divided into stages 1 to 5 according to the level of kidney function. With mild CKD (stages 1-3) patients usually do not have any symptoms. Nevertheless, CKD can have an impact on the health of pregnan
  2. Acute kidney injury (AKI), previously known as acute renal failure (ARF), is an acute decline in kidney function, leading to a rise in serum creatinine and/or a fall in urine output. Kidney disease: improving global outcomes (KDIGO) Acute Kidney Injury Work Group. KDIGO clinical practice guideline for acute kidney injury
  3. Pulmonary function tests, electrocardiogram, chest X-ray, renal function and cardiovascular risk factors comprise baseline testing for all patients. A more exhaustive evaluation should be performed in patients at risk: elderly patients; patients with cardiopulmonary, vascular or renal comorbidity; and patients who have received anthracyclines.
  4. Renal failure is a systemic disease and is a final common pathway of many different kidney and urinary tract diseases. Accumulation. As renal function declines, the end products of protein metabolism (normally excreted in urine) accumulate in the blood. Adverse effects. Uremia develops and adversely affects every system in the body
  5. /1.73 m 2 for > 3 months. The standard for GFR measurement is inulin clearance. Inulin is neither absorbed nor secreted by the renal tubule and therefore it is the ideal marker for evaluation of kidney function. However, its measurement is cumbersome and, therefore, is mostly used in.
  6. Introduction. Thyroid functional disorders are commonly observed in chronic kidney disease (CKD) patients.[] Primary hypothyroidism, which is typically identified by biochemical tests including an elevated serum thyrotropin (TSH) level in conjunction with a low or normal thyroxine (T4) level (defined as overt and subclinical hypothyroidism, respectively),[] is disproportionately more prevalent.

Tests for identifying the cause. Once nephrotic syndrome has been diagnosed, your health care professional will use tests to identify what caused it and check your kidney function. Tests for finding the cause of nephrotic syndrome can include 3. blood tests; imaging tests, such as a kidney ultrasound; kidney biops This is a quiz that contains NCLEX review questions for chronic kidney disease (also called end stage renal failure). As a nurse providing care to a patient with CKD, it is important to know the signs and symptoms, pathophysiology, nursing management, patient education, and treatment for these conditions Epidemiologic data suggest that predialysis patients with chronic kidney disease have an increased risk of hypothyroidism . Many cases are subclinical. The changes in thyroid hormone metabolism that occur in the nephrotic syndrome and the general issue of thyroid function in nonthyroidal illness are discussed elsewhere

(PDF) Chapter-25 Kidney Function Tests - ResearchGat

A Better Test for Kidney Function National Institutes of

+Leukocyte esterase test of urine. Polycystic Kidney Disease. Genetic disorder that affects the kidneys and other organs Cysts form S/S Diagnostics. Acute Kidney Injury(Acute Renal Failure) Insult to the kidney that causes a decrease in renal filtration function Causes are prerenal, intrarenal, or postrenal Build up of nitrogenous waste. Kidney function tests can help your doctor check your kidney function and to monitor it over time. Several blood and urine tests can provide information about your kidney function. Kidney function tests are also known as renal function or urea and electrolytes (U&E, EUC or UEC) tests The global kidney/renal function test market exhibited moderate growth during 2015-2020. Looking forward, IMARC Group expects the market to grow at a CAGR of around 6% during 2021-2026. Keeping in mind the uncertainties of COVID-19, we are continuously tracking and evaluating the direct as well as the indirect influence of the pandemic on. Empower yourself and get the facts about kidney disease — how to prevent it, how to treat it, and more — when you answer the following 6 simple questions. This quiz is purely informational and should not take the place of consultation with your physician or any medical diagnosis. Question. 1 of 6. Question 1 _____ renal Failure is a rapid decline in renal function with an abrupt onset 10. Which phase of Acute Renal Failure results in FVE and edema due to salt and water retention, hypertension, Azotemia, hyperkalemia, muscle weakness, nausea, diarrhea, and high serum creatinine and BUN levels

Kidney function tests is a collective term for a variety of individual tests and procedures that can be done to evaluate how well the kidneys are functioning. A doctor who orders kidney function tests and uses the results to assess the functioning of the kidneys is called a nephrologist Kidney failure is most often found with a blood test called a creatinine level. Creatinine is a molecule made by your muscles. A normal kidney will remove extra creatinine from the blood stream and get rid of it in urine. More creatinine in the blood is a sign that the kidneys aren't cleaning the blood as well as they should

fTUBULAR FUNCTION. The. glomerular filtrate is formed at a rate of 125 ml/min. or 180 L/day. It passes to the renal tubules. the tubules, the tubular fluid is subjected to the 2 main tubular functions, reabsorption & secretion. is finally excreted as urine at a rate of about 1-2 ml/min. or ca. 1.5 L/day. In Structure of the nephron . | PowerPoint PPT presentation | free to view. Anatomy of Kidney - Anatomy of Kidney Nephron: functional unit of the kidney Hilum: the medial area where vessels and nerves enter kidney (external) Renal fascia: connective fibrous Anatomy of Kidney Nephron: functional unit of the kidney Hilum: the medial area where. Kidney (Renal) Panel. _. This panel is a set of tests that provides an assessment of kidney function to determine risk of kidney disease and general state of nutrition. Panels may be performed for routine health screenings or if a disease or toxicity is suspected. Panels may be used to determine if a medical condition is improving or worsening World's Best PowerPoint Templates - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. Winner of the Standing Ovation Award for Best PowerPoint Templates from Presentations Magazine. They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect It can also be called kidney failure, which is the end-stage of kidney disease. 'Acute kidney disease' is where the kidneys recover normal function within three months. 'Chronic kidney disease' is where there is a loss of healthy kidney function for more than three months. Chronic kidney disease is the most common form of kidney disease

Kidney Function Test (KFT Test): Normal Range, Cost & Result

  1. Renal Rehabilitation aims at improving Chronic kidney disease (CKD) patients QOL. The nephrology community felt the need to catch up with cardiology and pulmonary colleagues by adding renal rehabilitation programs for patients with chronic medical conditions, as the benefits to those with CKD on physical function and QOL are many.. CKD is a worldwide public health problem
  2. ing the area of hepatic injury, and the pattern of elevation can help organize a differential diagnosis. The term liver function tests is a misnomer as many of the tests do not comment on the function of the liver but rather pinpoint the source of the damage
  3. uria, proteinuria, progression of kidney function, and all-cause mortality in patients with non-end stage chronic kidney disease: A meta-analysis. Pharmacol.
  4. This test is valuable if it is used as screening test only. A positive result indicates the secretion of acid by the stomach. A negative result is an un­reliable indicator of true achlorhydria. This test is not reliable in patients suffering from renal dis­eases, urinary retention, malabsorption, pyloric obstruction

Kidney disease is staged based on the range of these numbers, with a GFR of less than 15 mL per minute indicating kidney failure, or end-stage renal disease.   Other blood tests that can help measure kidney function include creatinine, blood urea nitrogen, Cystatin C, and metabolic panels that test levels of electrolytes.  Acute kidney injury is defined as an abrupt (within 48 hours) reduction in kidney function based on an elevation in serum creatinine level, a reduction in urine output, the need for renal. The paired adult kidneys consist of a functional unit called the nephron, that filters blood, excretes waste, reabsorbs water (and other compounds) and has endocrine functions. Each adult human kidney typically contains about 750,000 nephrons, though the total number can vary significantly from as few as 250,000 to as many as 2,000,000 Chronic kidney disease (CKD) is defined as the presence of kidney damage or an estimated glomerular filtration rate (eGFR) less than 60 ml/min/1.73 mt2, persisting for 3 months or more, irrespective of the cause.[1] It is a state of progressive loss of kidney function ultimately resulting in the need for renal replacement therapy (dialysis or transplantation) The creatinine clearance test checks your kidney function by looking at the amount of creatinine in your urine and blood. Creatinine is a waste product that's typically filtered out of your blood by your kidneys. Abnormal levels of creatinine could be a sign of kidney failure. Urology 216.444.5600. Nephrology 216.444.6771

Understanding Kidney Function Test Result

CKD is a decline in renal function defined by decreased glomerular filtration rate (GFR) and/or other evidence of renal damage (e.g., proteinuria). Age is a major risk factor for CKD, and age-related changes in renal function measured as GFR are well described A: This is a function of the Urinary System. The kidneys play an important role in controlling blood levels of Ca 2+ by regulating the synthesis of vitamin D. B: This is a function of the Urinary System. The kidneys secrete a hormone, erythropoietin, which regulates the synthesis of red blood cells in bone marrow

Chronic kidney disease

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Residual Renal function (RRF) has an important role in the overall morbidity and mortality in hemodialysis patients. The role of angiotensin-converting enzyme inhibitor (ACEi) in preserving renal function in chronic proteinuric nephropathies is well documented. We test the hypothesis that enalapril (an ACEi) slows the rate of decline of RRF in patients starting hemodialysis Kidney function tests — The glomerular filtration rate (GFR) gives an approximate measure of the overall filtering abilities of the kidneys. Measuring true (actual) GFR is difficult and not practical in the care of most patients. Instead, GFR is usually estimated. The most common way to estimate GFR in adults is by measuring the creatinine. Strasinger AUBF - Renal diseases (Renal failure and lithiasis PPT based) STUDY. PLAY. End stage renal disease. Exhibits a sudden loss of renal function and is frequently reversible. Patho Exam 4 (Renal Disorders) 59 terms. Patho Test 4 Kidneys - Justin's. 26 terms. CHAPTER 11 Imaging tests, such as an ultrasound, a computerized tomography (CT) scan and magnetic resonance imaging (MRI), are often used to investigate simple kidney cysts. Imaging tests can help your doctor determine whether a kidney mass is a cyst or a tumor. Kidney function tests xxx00.#####.ppt 4/3/19 10:21:32 AM Causes of Hypertension • Renal parenchymal disease - Congenital anomalies of the urinary tract - Glomerulonephritis - Polycystic kidney disease - Sequelae of acute kidney injury, i.e. HUS - Chronic kidney disease - Systemic vasculitis with renal involvement • Renovascular defect - Fibromuscular dysplasi

Kidney Function Tests and Interpretation of Results

Of the 18 patients with ATN for whom urinary sediment was assessed for outcomes, 61.1% did not recover kidney function and the mean cast scoring index was 2.2. Patients without renal recovery had a higher cast scoring index as compared with patients who recovered kidney function (2.55 ± 0.93 vs 1.57 ± 0.79; P = 0.04). Receiver operating. Renal Function Studies Normal Lab Values. In this section, we'll be discussing the normal laboratory values of serum creatinine and blood urea nitrogen, including their indications and nursing considerations. These laboratory tests are helpful in determining the kidney function of an individual. Serum Creatinine (Cr Chronic renal disease (CRD), a progressive and irre-versible decline in renal function, is the renal disease with the most implications in dentistry, so this paper is focused on this pathology. Kidneys have the following functions: filtering waste metabolic products, preser-vation of the electrolytic composition and the volum Renal function tests, which include measurement of blood urea, uric acid and creatinine to test the functioning of the kidneys Tests to evaluate calcium metabolism in case of calcium deposits in.