Diagnostic Tests Flashcards
1
Q
PAP Smear
papanicolaou
A
- changes in cervical cells; presence of cervical cancer; HPV
- normal/negative
- small brush brushed onto the cervix
2
Q
Barium Swallow
A
- test for head, neck, esophagus cancer
- normal, no abnormalities
- drink a chalky white barium mixture that is slightly radioactive to track and examine digestive tract
3
Q
Colonoscopy
A
- test for colon cancer
- negative, no abnormalities
- involves low fibre diet prior; colonoscope inserted into rectum; can take biopsies and video at this time (60mins)
4
Q
Mammography
A
- look for breast cancer, examine lump
- no abnormalities
- 2 xray plates compress a breast in order to get imaging
5
Q
Lumbar Puncture (spinal tap)
A
- test for cancers involving brain and spinal cord
- normal
- thin hollow neede is inserted between 2 lumbar vertebrae and into the spinal canal; spinal fluid is examined for abnormalities (45mins)
6
Q
Bone Marrow Aspiration
A
- diagnose blood, bone marrow cancers
- normal bone marrow - 0-5% blasts (greater could be leukemia)
- small incision, then inserts hollow needle through the bone into the bone marrow; bone marrow is examined
7
Q
Computed Tomography (Thorax)
A
- diagnose lung tumour; find metstasis
- nothing suspicious
- contrast maybe; machine x ray beam will rotate around patient to get images to make a 3D image of body (30sec)
8
Q
MRI - Magnetic Resonance Imaging
A
- detect brain tumour
- nothing suspicious
- contrast maybe; table slides through a large scanning magnet and captures images n multiple sequences (30-40 mins)
9
Q
Ultrasound (Breast)
A
- examine suspicious lump, breast cancer
- no abnormalities
- wand-like device called a transducer is moved over breast to acquire imaging
10
Q
Colposcopy
A
- follow up to pos pap test; detect cervical cancer
- no inflam, no abnormal cells
- colposcope inserted into cervix and images are taken; biopsy too (10-20 mins)
11
Q
Bronchoscopy
A
- diagnose lung infection, disease, cancer; biopsy
- no trouble breathing, clear airways
- bronchoscope inserted via nose or mouth until the bronchi; biopsy
12
Q
Fecal Occult Blood Test (FOBT)
A
- colorectal cancer
- no blood, no pain passing feces
- collect samples from 3 bowel movements, take applicator and smear stool onto test card
13
Q
Bone Scintigraphy
A
- bone mets & cancer
- normal
- radiotracer is given to pt through and injection in arm; takes 4 hours for tracer to settle in bones; it produces gamma radiation which can be turned into an image through SPECT
14
Q
Cystoscopy
A
- bladder cancer, blockage, cystitis, bladder stones
- no abnormalities
- bladder is filled with sterile solution; instrument equipped with lens is inserted into urethra and moves to bladder
15
Q
Digital Rectal Exam (DRE)
A
- prostate cancer
- no growths detected
- doctor will insert gloved lubricated digit into the rectum and try and feel for any bumps, hardenings or abnormalities