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29 Cards in this Set
- Front
- Back
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US pregnancy
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location, number fetus, gestational age, growth rate, placenta, fetal position
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info necessary for radiologist
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test required, history, differential diagnosis
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interfere w/ x-rays
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metallic objects, retained contrast material, overlying structures or bowel content, position, movement
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radiographic densities
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gas, fat, fluid, bone, metal
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complications of special procedures
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perforation, infection, embolus
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reasons to request special procedures
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cardiac catherization (to get an angiogram), interventional procedures
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reasons to request CT scans
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diagnosis/anatomy (brain, chest, abdomen, bone, blood vessels, soft tissues); procedure guidance; tx determination; follow-up
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reasons to request fluoroscope x-rays
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motion of organs; movement of contrast material
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reasons to request tomography
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focus on specific structures
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dangers of contrast media use
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latex allergies; barium sulfate; iodine containing materials; non-ionic materials
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reasons to request common x-rays
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GI studies; genitourinary studies; cardia/vascular studies; myelography; other/parenteral
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reasons to request skeletal x-rays
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fracture/dislocations; infection; arthritis; metastasis
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reason to request abdominal x-rays
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abdominal pain/trauma; organs; intraluminal air; extraluminal air; abdominal calcifications; soft tissue mass; free fluid; bowel wall
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reading the chest x-ray
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mental image of patient; soft tissue (including diaphragm); lungs (interstitium, airways, pleura); blood vessels; special interest areas; mediastinum; chest wall
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reason to request chest x-ray
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pulmaonary; mediastinum; pleura; chest wall; diaphragm
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interfere w/ medical ultrasound
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air; gas; obesity; patient movement; skin contact
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principles of ultrasound
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B scan; M scan; real time; doppler; color flow doppler; duplex scanning
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advantages of ultrasound
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usually non-invasive; painless; portable; real time evaluation w/ dynamic images; inexpensive
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reason to request ultrasound
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anatomical pictures; physiology info; assessment of structure/pregnancy; decision making regarding intervention; assessment of blood flow/cardia function; invasive procedures
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info reported by ultrasound
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sonographic appearance; measurements; differential dx; most likely dx
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characteristics of simple cyst
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anechoic; smooth borders; posterior enhancement; thorough enhancement
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EKG
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cardiac chambers; cardiac valves; cardiac cardiac wall motion; pericardium; blood flow
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gynecology (ultrasound)
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irregular bleeding; pelvic pain; pelvic mass; urinary incontinence; many gynecologic disorders
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fetal health (ultrasound)
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heart rate; breath ring; movement; muscle tone; amniotic volume
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PET
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type of nuclear imaging; used in many areas of medicine (heart, brain, cancer)
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advantages of MRI
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soft tissue contrast and differentiation; reduced need for contrast material; evaluation of blood flow; subtraction of background tissue
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reasons for MRI
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provides anatomical & physiology info; aids in evaluation of: neural tissue & surrounding structures, soft tissue, bone & joints, blood flow
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problems related to MRI
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related to movement of implants; heating of metallic objects; patient status; obesity
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MRI
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evaluation of headache or other neurologic signs of CNS lesions, neck, and back pain for disk herniation; bones and joints after traumatic injury or because of chronic pain
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