Brunner and Suddarth's Handbook of Laboratory and Diagnostic by Smeltzer

By Smeltzer

This most up-to-date addition to the Smeltzer Brunner and Suddarth's suite is a concise, moveable, full-color instruction manual of thousands of try out effects and their implications. The two-part presentation incorporates a evaluation of specimen assortment tactics by way of an alphabetical record of exams. The access on every one attempt contains education, interfering elements, common values, irregular values, easy-to-identify problem values, reference values, nursing issues, and nursing implications.

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Sample text

Monitor intake and output to assess renal function. Purpose • To monitor for acetaminophen overdose Description Acetaminophen is an analgesic used for fever and pain relief, but high levels can be toxic and cause liver toxicity. It’s rapidly absorbed in the GI tract; peak concentration occurs 30 to 60 minutes after ingestion. Intoxication doesn’t become apparent until 24 to 48 hours after ingestion. Precautions • Maintain standard precautions during sample collection. • Transport the specimen to the laboratory immediately after collection.

Explain to the patient that the activated clotting time test monitors the effect of heparin on the blood’s ability to coagulate. • Explain who will perform the test, when, and where it will occur (usually at the bedside). • Inform the patient that the test requires two blood samples but, because they’ll be drawn from an existing vascular access site, no venipuncture will be necessary. • Explain that the first blood sample will be discarded so that any heparin in the tubing won’t interfere with the results.

5 µkat/L) Critical Values Greater than 200 units/L Abnormal Findings Elevated Levels • Acute pancreatitis (levels begin to rise within 2 hours, peak within 12 to 48 hours, and return to normal within 3 to 4 days) Moderately Elevated Levels • Obstruction of the common bile duct, pancreatic duct, or ampulla of Vater; pancreatic injury from a perforated peptic ulcer; pancreatic cancer; and acute salivary gland disease • Impaired kidney function Nursing Implications • Report abnormal findings to the practitioner.

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