Clinical Diagnostic Tests: How to Avoid Errors in Ordering by Michael Laposata MD PhD

By Michael Laposata MD PhD

Clinical Diagnostic Tests is a handy, quick-reference consultant to universal mistakes and pitfalls in try out choice and outcome interpretation for practitioners and trainees in all components of scientific medication. Authored through famous specialists and educators in laboratory drugs, it offers well timed, sensible advice approximately what to doÛand what to not doÛfor practitioners ordering or examining medical assessments. each one subject encompasses a concise review and precis through a listing of bulleted Ïstandards of careÓ that might let practitioners to quick realize and steer clear of a possible challenge.

geared up for simple entry to serious details, this pithy advisor addresses all significant concerns practitioners are inclined to stumble upon in the course of their daily scientific paintings. it truly is meant for practitioners in pathology, laboratory medication, basic care in addition to nurse practitioners and general practitioner assistants. it's also a beneficial source for scientific trainees and scholars who have to research powerful, effective use of the medical lab in perform.

Key Features:

  • offers useful counsel for averting universal blunders and pitfalls in lab try out choice and interpretation

  • comprises pithy overviews and proposals for speedy reference

  • Written through specialist authors and educators in laboratory drugs

  • offers bulleted √èstandards of care√ì

  • Serves as a concise, to-the-point instructing consultant

About the writer:

Michael Laposata, MD, PhD , is Chair of Pathology, Director of department of Laboratory medication and medical Laboratories, college of Texas scientific department, Galveston


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Extra info for Clinical Diagnostic Tests: How to Avoid Errors in Ordering Tests and Interpreting Results

Sample text

MISINTERPRETATION OF THE DAT The DAT, also known as the direct antiglobulin or Coombs’ test, indicates whether antibody (IgG) and/ or complement (usually C3d) is bound to the patient’s RBCs. A positive DAT can have various interpretat­ ions and requires appropriate additional testing. The DAT should be interpreted in the context of the patient’s medical history and underlying condition. Thus, the clinical significance of a positive DAT should be determined by taking account of both clinical and laboratory information.

2002;42:1618–1622. Broderick JP, Brott TG, Duldner JE, et al. Volume of intracerebral hemorrhage. A powerful and easy-to-use predictor of 30-day mortality. Stroke. 1993;24:987–993. Brott T, Broderick J, Kothari R, et al. Early hemorrhage growth in patients with intracerebral hemorrhage. Stroke. 1997;28:1–5. Buchta C, Felfernig M, Höcker P, et al. Stability of coagulation factors in thawed, solvent/detergent-treated plasma during storage at 4 degrees C for 6 days. Vox Sang. 2004;87:182–186. Carson JL, Duff A, Poses RM, et al.

Clinical Pitfall Failure to take a platelet count between 15 and 60 minutes following transfusion and to calculate the CCI before making a determination of platelet refractoriness. STANDARDS OF CARE ■■ Determine the platelet count within 15 to 60 ­minutes following transfusion of platelets. ” ■■ Rule out nonimmune causes of refractoriness before ordering HLA-matched platelets to manage alloimmunization to HLA class I antigens. thrombotic thrombocytopenic purpura—MISSED DIAGNOSIS TTP is classically diagnosed by the “pentad” of a­ nemia, thrombocytopenia, neurologic signs, fever, and renal failure.

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