chapter 11 patient preparation Flashcards
CT history forms seek to
- patient safety
- correct selection of protocol
- providing information useful for interpreting the examination
questions on medical history regarding ____,_____and ____ help determine id patient will revive IV contrast
- renal function
- allergies
- thyroid conditions
lab values most frequently reviewed before CT exam
blood urea nitrogen (BUN)
serum creatinine
normal range for BUN
7 and 25 milligrams per deciliter
normal range for serum creatinine
0.6 to 1.7 mg/dl
If the BUN is higher then ___IV contrast cannnot be given
30mg/dl
If the serum creatinine is higher then ___IV contrast cannnot be given
2 mg/dl
the lb vales for BUN and creatine provide information about
patient renal function
the labs values for PT and PTT provide information about
blood’s coagulation ability
prothrombin (PT) range is
11 to 14 seconds
partial thromboplastin time (PTT) range is
25 to 35 seconds
platelet count range is
150,000 to 400,000 cubic millimeter mm3
common anticoagulant medications
warfin(coumadin) ,heparin,plavix, and aspirin
when the tech has not provided consent for an exam the tech who preforms the exam may be liable for
battery the nonsenual touching of another
basic consent
involves letting the patient know you plan to do and asking them whether they agree