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39 Cards in this Set

  • Front
  • Back
information obtained on ultrasound
stuctures
vascular function
solid vs. cystic
real-time information
information reported from ultrasound
sonographic appearance
measurements
differential diagnosis
most likely diagnosis
reasons to request ultrasound
anatomical pictures
physiology information
assessment of stucture
assessment of pregnancy
assessment of cardiac function
assessment of blood flow
intervention decision making
invasive procedures
contraindications of ultrasound
procedure related
uncooperative patient
advantages of sonography
non invasive
painless
portable
real time eval. with dynamic images
inexpensive
risks associated with ultrasound are...
none
principles of ultrasonography
B-scan
M-mode scan
real time
doppler
color flow doppler
duplex scanning
ultrasound used for...
abdomen
OBGYN
echocardiography
breast
neurosonography
vascular sonography
procedures
structure evaluation
energy source for ultrasound
high frequency sound waves
factors that interfere with ultrasound
air/gas
obesity
patient movement
skin contact
dense ultrasound structure shows
brighter, shadows
fluid ultrasound structures shows
darker, posterior enhancement
characteristics of simple cyst on ultrasound show
through transmission
anechoic
smooth borders
posterior enhancement
Abdomen complete ultrasound will show...
RUQ, midline, LUQ, abdominal vasculature, renal
3 types of pelvis ultrasound
standard
transvaginal
transrectal
obstetrics ultrasound for pregnancy will show...
location, number, gestational age, growth rate, placenta, fetal position
obstetrics ultrasound for fetal health will show...
heart rate, breathing, movement, muscle tone, amniotic volume
gynecology ultrasounds show...
irregular bleeding
pelvic pain
pelvic mass
urinary incontinence
disorders
echocardiography ultrasound show...
cardiac chambers
cardiac valves
cardiac wall motion
pericardium
blood flow
breast ultrasound show...
solid vs. cystic
neurosonography ultrasound show...
brain and spinal cord
vascular sonography for abdomen show...
abdominal aorta
renal
vascular sonography for peripheral show...
carotid
extremities
MRI uses
magnetic field
radiotransmitter and receiver
computer
energy source for MRI is
radiofrequency waves and magnetic field
types of MRI are...
routine
magnetic resonance angiography
spectroscopy
functional magnetic resonance imaging
risks associated with MRI are...
movement and heating of ferrous material
adverse affects/counterindications/ interference
related to movement of implants
heating of metallic objects
patient status
obesity
reasons to request MRI
soft tissue
bone and joints
neural tissue
blood flow
study of MRI show
anatomical and physiology information
multiple types of images for MRI
T1 (fluid dark, like CT) and T2 (fluid bright)
can do MRI in multiple planes
axial
saggital
coronal
sound waves are transmitted well through...
fluid, but not air, bone, or contrast material
B scan
series of dots
M-mode scan
motion of heart over time
real time imaging
display rapid sequence of images instantenously
doppler ultrasound
not static and picks up different frequency of ultrasound waves, better the flow, the faster the RBCs move by stationary ultrasound beam, greater the frequency distortion
color flow doppler imaging
used to determine direction and velocity of blood flow (heart valve regurgitation, heart defects)
duplex scanning
real time imaging + color flow doppler imaging (help with plaque, aneurysms, reanl or liver transplants)