NR224 / NR 224 Final Exam Review (Latest Update) Fundamentals - Chamberlain

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NR224 Fundamentals Final Exam Review What is a normal finding of a lung scan? - Structure without masses -used to identify abnormal masses by size and location, used to plan therapy and treatment... s, and to find blood clot. What is a normal finding of a Thoracentesis? - surgical perforation of chest wall and pleural space with a needle to aspirate fluid for diagnostic/therapeutic purposes or to remove specimen for biopsy. -aseptic technique, pt sits upright. -results may indicate infection or neoplastic disease CBC - number and type of RBC/WBC per mm of blood Creatine kinase (CK-MB) - released from cells when myocardial tissue is damaged 4-6% of total CK- highly indicative of MI levels increase within 4-6hrs of MI Troponin - used for seeing if pt has had a heart attack Brain natriuretic peptide - increased levels determine severity of congestive heart failure <100 pg/mL normal range C-reactive protein - <10 mg/L detect inflammation if there is a suspicion of tissue injury or infection evaluate a pt risk for developing coronary artery disease and stroke or sepsis arterial blood gases (ABGs) - Lab test used to determine the adequacy of oxygenation and ventilation, as well as in the assessment and treatment of acid-base imbalance. Normal Values: pH: 7.35-7.45 PC02: 35-45 mm Hg HC03: 21-28 mEq/L PO2: 80-100 mm Hg Sa02 sat: 95%-100% -older adult: 95% Base excess 0 +/- 2 mEq/L Effects of Aging on Cardio Assessment Findings - Muscle Contraction; thickening of the ventricular wall. -decreased cardiac output, edema, dyspnea, activity intolerance, inability to lie flat for extended time) Blood Flow; heart valves thicken and stiffen. -systolic ejection murmur [Show More]

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