Peritoneal Fluid Analysis
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Ascites fluid analysis.
To evaluate and classify the type of fluid within the peritoneal cavity to assist with diagnosis of cancer, infection, necrosis, and perforation.
There are no food, fluid, or activity restrictions unless by medical direction. Regarding the patient's risk for bleeding, the patient should be instructed to avoid taking natural products and medications with known anticoagulant, antiplatelet, or thrombolytic properties or to reduce dosage, as ordered, prior to the procedure. Number of days to withhold medication is dependent on the type of anticoagulant. Note the last time and dose of medication taken.
Method: Spectrophotometry for glucose, amylase, and alkaline phosphatase; automated or manual cell count, macroscopic examination of cultured organisms, and microscopic examination of specimen for microbiology and cytology; microscopic examination of cultured microorganisms.
|Peritoneal Fluid||Reference Value|
|Amylase||Parallels serum values|
|Alkaline phosphatase||Parallels serum values|
|CEA||Parallels serum values|
|Glucose||Parallels serum values|
|Red blood cell (RBC) count||None seen|
|White blood cell (WBC) count||Less than 300 cells/microL|
|Acid-fast stain||No organisms seen|
|Gram stain||No organisms seen|
|Cytology||No abnormal cells seen|
Critical Findings and Potential Interventions
- Positive culture findings in any sterile body fluid.
Timely notification to the requesting health-care provider (HCP) of any critical findings and related symptoms is a role expectation of the professional nurse. A listing of these findings varies among facilities.