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Diagnostic Agents

QuestionAnswer
Radiopaque Agents 1)Barium Sulfate 2)Iodinated Contrast -Visualization of organ structures -May contain iodine (assess for allergy)
Barium indications GI evaluation-inflammatory bowel disease, cancer, ulcers
Barium clinical use IV urography, angiography, cholecystography
Pharmacokinetics of Radiopaque Agents administer PO, IV, Rectal, or Vaginal,- Absorbed across the GI mucosa + enter systemic circulation. Barium is NOT absorbed and is excreted by the kidneys.
Side Effects usually occur in 1-3 min. but may occur up to 1 hour. Anaphylaxis, hypersensitivity, nausea, flushing w/warm feeling over abd./chest. Altered resp. status (rhinitis, cough, dyspnea, bronchospasm, asthma, laryngeal+pulmonary edema)
Barium Sulfate May cause constipation (and poss. fecal impaction) if left in the colon
Diazote Salts May inhibit blood coagulation. Intravascular injection may cause exacerbation of Sickle Cell disease
Assessment Allergies to Tartrazine, contrast medias, iodine containing foods. Hx of kidney, liver, or thyroid disease. Pregnancy or >10 days since last period.
Radioactive Agents Radionuclides image organs, evaluate organ function, detect or treat cancer.
Applications to assess thyroid enlargement or disease. Screen clients w/ malignancies for metastasis. Evaluate heart disease.
Non-radioactive Agents Dyes, polysaccharides and others. Evaluate cardiac output, liver/kidney function, blood flow, circulation time, and intestinal absorption
Administration IV or IM. Traced by color changes or chemical analysis.
Created by: hgladle
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