肾功能检查英文课件.ppt
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- 肾功能 检查 英文 课件
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1、1Generation urineDrain water,metabolites,waste and keep useful materialRegulating water and osmotic pressureRegulating electrolyte and acid-base balanceMake some important physiological active substances,such as renin,EPO.2345Glomerular filtration rate(GFR)is reflected glomerular filtration function
2、 objective index,with unit time two renal generated ultrafiltrate quantity namely former urine generation to saidRenal clearance is refers to the double kidney in unit time(min)inside,can how much ml plasma contains a substance to clear all,results to ml/min or L/24 h6principlePlasma creatinine cate
3、gories:endogenous and exogenousPlasma creatinine metabolism:mostly from the glomerular filtration,not by renal tubule heavy absorption,and renal tubule of shedding capacity is very few7 Condition:in the strict control diet and muscle activity under the condition of relatively stable,plasma creatinin
4、e of generation and in the urine discharge is constant,the content change is mainly affected by the influence of the endogenous creatinine8 Endogenous creatinine clearance rate(Ccr):refers to the renal unit time,clear how many ml plasma of endogenous creatinine9The preparation for the patient The pa
5、tient continuous eating low protein food 3 days,every protein intake 40 g,fast meat,forbidden to drink strong tea,coffee,avoid strenuous exerciseMethods10Specimen collection(标本收集标本收集)The fourth day morning 8 start collecting 24 hour urine(join toluene anticorrosive),the blood in any time 2 ml and ur
6、ine(measurement of urine volume)at the same time clearedCalculation formula(计算公式计算公式)Every minute creatinine clearance=urine creatinine concentration every minute urine volume/plasma creatinine concentration(unit:ml/min)MethodsIt takes a long time11Normal Range Adult:80-120 ml/min Neonatal:40 65 ml/
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