[...]... system and results of previously performed tests and 1 Copyright © 2003 F.A Davis Company 2 Davis’s Comprehensive Laboratory and Diagnostic Handbook—with Nursing Implications Intratest: procedures For related tests, refer to the musculoskeletal system table ➤ Direct the patient to breathe normally and to avoid unnecessary movement ➤ Observe standard precautions and follow the general guidelines in Appendix... 2003 F.A Davis Company 4 Davis’s Comprehensive Laboratory and Diagnostic Handbook—with Nursing Implications Nursing Implications and Procedure ● ● ● ● ● ● ● ● ● ● ➤ Observe standard precautions and follow the general guidelines in Appendix A Perform a venipuncture, and collect the specimen in a 5-mL lavender-top tube ➤ Label the specimen, and promptly transport it to the laboratory, because results can... minutes Intratest: ➤ Direct the patient to breathe normally and to avoid unnecessary movement ➤ Observe standard precautions and follow the general guidelines in Appendix A Perform a venipuncture, and collect the specimen in a 5-mL red- or tiger-top tube Copyright © 2003 F.A Davis Company 14 Davis’s Comprehensive Laboratory and Diagnostic Handbook—with Nursing Implications ➤ Label the specimen, and promptly... affected body system; and guidelines for standard and universal precautions Finally, additional supportive materials are provided for the instructor and student in an Instructor’s Guide Presentations and case studies with emphasis on laboratory and diagnostic test related information and nursing implications have been developed for selected conditions and body systems Open-ended and NCLEX-type, multiple-choice... daughter, mother, father, husband, wife, friend This book is written to help health care providers in their understanding and interpretation of laboratory and diagnostic procedures and their outcomes Just as important, it is dedicated to all health care professionals who experience the wonders in the science of laboratory and diagnostic testing, performed and interpreted in a caring and efficient manner xi... (and Challenge Tests) • Recent radioactive scans or radiation within 1 week before the test can interfere with test results when immunoradiometric assay is the test method • The metyrapone stimulation test is contraindicated in patients with suspected adrenal insufficiency • Metyrapone may cause gastrointestinal distress and/ or confusion Nursing Implications and Procedure ● ● ● ● ● ● ● ● ● ● ● Pretest:... than 3.6 mEq/L and 24-hour urine potassium greater than 40mEq/L fit the general criteria to test for aldosteronism Renin is low in primary aldosteronism and high in secondary aldosteronism A ratio of plasma aldosterone to plasma renin activity greater than 50 is significant ■ Copyright © 2003 F.A Davis Company 20 Davis’s Comprehensive Laboratory and Diagnostic Handbook—with Nursing Implications INDICATIONS:... Post -test: ➤ Observe venipuncture site for bleeding or hematoma formation Apply pressure bandage ➤ Evaluate test results in relation to the patient’s symptoms and other tests performed Related laboratory tests include cortisol, folliclestimulating hormone, growth hormone, luteinizing hormone, testosterone, thyroid-stimulating hormone, and thyroxine Copyright © 2003 F.A Davis Company 12 Davis’s Comprehensive. .. integrating laboratory and diagnostic materials in assessment and clinical courses and provide examples of activities to enhance student learning Copyright © 2003 F.A Davis Company PREFACE L aboratory and diagnostic testing The words themselves often conjure up cold and impersonal images of needles, specimens lined up in collection containers, and high-tech electronic equipment But they do not stand alone... disease, ulcerative colitis) Fistula (gastrointestinal or lymphatic) Hemorrhage Kidney disease Renal protein loss Repeated thoracentesis or paracentesis Trauma and crush injuries • Increased catabolism: Fever Cushing’s disease Preeclampsia Thyroid dysfunction Copyright © 2003 F.A Davis Company 16 Davis’s Comprehensive Laboratory and Diagnostic Handbook—with Nursing Implications • Increased volemia): blood .