Week 8 - Radiographs Flashcards
___ testing frequently results in admission, dx, and mgmnt.
Radiograph
For an ovarian cyst, order a ___ ___.
pelvic CT
Order only what you are ___ for.
looking
When suspecting appendicitis, order a ___ of ___ and ___.
CT, abdomen, pelvis
You can get a 2, 3, or 5-view w/an ___.
xray
Use a ___ to view/remove foreign objects.
fluoroscopy
Contrast medium can be given ___ or ___. With ___, have to wait 1-2 hrs before doing.
orally, IV, oral
Contrast medium ___ anatomy
highlights
Limit ___ time to pt and maximize ___ - should be at least ___ ft away. Shield pt and self.
exposure, distance, 6
Know what ___ pt is on to determine if it interacts w/contrast.
meds
Use a ___ for emergent cases.
CT
If ___ is decreased, don’t want to use contrast. Do ___ instead.
GFR, u/s
Red flags for contrast include: hx of ___, fever, incont, unexplained wt ___, hx of ___, long-term ___ use, ___ drug use, inability to get in comfortable position.
trauma, loss, CA, steroid, IV
Amt of radiation: CXray = \_\_\_ Abd xray = \_\_\_ Full body CT scan = \_\_\_ Mammogram = \_\_\_ Bone scan = \_\_\_
0.1 4 10 0.4 0.4
Serum creatinine increases by 25%, so want to ___ pt, space out contrast ___ hrs apart, and consider alternatives.
pre-hydrate, 72
___ must be stopped on the day of receiving contrast and for ___ days post procedure, otherwise risk of induced ___ ___.
Metformin, 2, lactic acidosis
If contrast used in post-partum mom, pump and dump for ___ hrs.
24
Pre-medicate w/___, ___, and ___ if known allergic reaction w/contrast agents. May also use a ___ to help relax.
prednisone, benadryl (H1), pepcid (H2), benzo
If presents w/a + Ottawa ankle rule, perform ___.
x-ray
Air filled regions appear ___.
Fat regions appear ___ ___.
Water/liquid filled regions (heart) appear ___ ___.
Bones appear ___.
Metals and contrast dye appear ___ of ___.
black darker grey lighter grey white whitest of white
To r/o rib fx, a ___ is better than a ___.
CT, cxray
Tx for rib fx is splint w/a ___ and use ___ ___.
pillow, incentive spirometer
A ___ ___ radiograph is used to r/o infection, mass/tumor, CHF, chronic lung dis, pneumo, or rib fx.
chest xray
___ ___ radiograph used to r/o free fluid, retroperitoneal air, abscess, obstruction, stones, abd aortic aneurysm, organs.
Abdominal xray
___ provides real time imaging of structures in motion. A continuous xray beam is passed thru the body part being examined.
Fluoroscopy
___ can be used on skeletal, digestive, urinary, resp, and reproductive.
Fluoroscopy
Uses for a ___ include: lap band inj, removal of foreign bodies, lumbar punctures, joint inj, placement of IV catheters, and bx.
fluoroscopy
Radiation exposure used in higher amts w/___ d/t multiple images being taken.
fluoroscopy
Use a ___ if vag blding present.
u/s
___ uses high freq sound waves (above human hearing) to visualize soft tissue structures in the body in real time.
U/S
W/an ___, there is no radiation, relatively safe, and used in pelvic blding, breast tissue, testicular torsion, DVT, gallbladder, renal, or GI.
u/s
To r/o kidney stones, use a ___ ___ contrast.
CT without
___ imaging gives the impression of looking at cross-sectional slices of the pt. Gives you the ability to look inside w/out cutting the pt open.
CT
A ___ is used to look at systems or organs.
CT
A ___ of the ___ looks at infarctions, tumors, hemorrhage, bone trauma, edema, sinuses, tinnitus, stroke, pain in lymph area, masses, and PE.
CT, head
A ___ of the ___ looks at pyelo, kidney stones, pancreatitis, bowel obst, inf or tumor, GB dis.
CT, abdomen
___ generates cross-sectional images using a large magnetic field. No x-ray used, so no ionizing radiation.
MRI
If suspect brain bld or stroke, want to do ___ instead of ___ d/t emergent sit.
CT, MRI
A ___ will highlight a tumor if suspected.
CT
