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Study sets matching "diagnostic imaging liver"

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Study sets matching "diagnostic imaging liver"

55 terms
Diagnostic Imaging: Liver Ultrasound
- Left lateral... - Left medial... - Quadrat…
Between the right medial and quadrate…
- LL, LM, RM, quadrate, and RL lobes o…
- Sub-xiphiod window... - Sagittal plane…
Name the lobes of the liver.
Where does the gallbladder sit?
In general, what is the most can you see in the Sub-xiphoid w…
Which plane and window is this?
- Left lateral... - Left medial... - Quadrat…
Name the lobes of the liver.
Between the right medial and quadrate…
Where does the gallbladder sit?
47 terms
Diagnostic Studies/Imaging II - Liver Function Tests
LFTs: ... Total protein-
Globulins... made of-... made in-
Albumin: is a ___ LFT
Albumin:... synthesized in -... primary func…
total amount of albumin and globulins in the blood
different proteins (alpha, beta, gamma)... liver (alpha, beta) a…
true
liver... maintenance of colloid osmotic pressure... unconjugated bi…
LFTs: ... Total protein-
total amount of albumin and globulins in the blood
Globulins... made of-... made in-
different proteins (alpha, beta, gamma)... liver (alpha, beta) a…
40 terms
16.11 Diagnostic Imaging of the GIT, Liver and Pancreas
What gives serosal detail on abdominal…
What may decreased serosal detail on a…
What can you see when there is poor de…
What can you see when there is poor de…
Mesenteric fat - allows deliniation of serosal margins of abd…
Decreased fat - immaturity, emaciation... Increased soft tissue…
Can see faeces in the colon but not much more... Difficult to de…
Ascites leads to a marked increase in soft tissue opacity... Can…
What gives serosal detail on abdominal…
Mesenteric fat - allows deliniation of serosal margins of abd…
What may decreased serosal detail on a…
Decreased fat - immaturity, emaciation... Increased soft tissue…
41 terms
Diagnostic Tests for the Liver, Gallbladder, & Pancreatic Disorders (Laboratory Studies & Imaging Procedures)
Testing for Serum Bilirubin provides u…
What are the three components of a Bil…
Elevated levels of Bilirubin will cause
What is the most common sign of a live…
1. Liver Disease... 2. Biliary Obstruction... 3. Hemolytic Anemia... (…
1. Direct Bilirubin... 2. Indirect Bilirubin... 3. Total Bilirubin
Jaundice
Jaundice
Testing for Serum Bilirubin provides u…
1. Liver Disease... 2. Biliary Obstruction... 3. Hemolytic Anemia... (…
What are the three components of a Bil…
1. Direct Bilirubin... 2. Indirect Bilirubin... 3. Total Bilirubin
9 terms
diagnostic Imaging
computed tomography scan (CT scan)
contrast studies
Doppler ultasound
fluoroscopy
Produces cross-sectional view of body by taking X-rays from m…
radiopaque substance is taken prior to X-ray; organ containin…
use of ultra sound to measure velocity of blood flowing throu…
X-rays strike fluorescing screen rather than photographic fil…
computed tomography scan (CT scan)
Produces cross-sectional view of body by taking X-rays from m…
contrast studies
radiopaque substance is taken prior to X-ray; organ containin…
65 terms
Diagnostic Imaging
X- ray or Diagnostic Radiation
-exposure to ionizing radiation... -super…
opacity
Ultrasound
single best screening test we have in the department of radio…
Distadvantages of looking at x-rays?
we describe radiographs in terms of _______
Best for looking at soft tissue like the abdomen, heart, musc…
X- ray or Diagnostic Radiation
single best screening test we have in the department of radio…
-exposure to ionizing radiation... -super…
Distadvantages of looking at x-rays?
331 terms
Diagnostic Imaging
Which of the following is a physical p…
As the wavelength of x-ray photons sho…
The kVp setting on an x-ray machine co…
The milliampere-seconds; mAs, setting…
Travel in straight lines
Increase
Quality of the x-ray beam
Quantity of x-rays emitted
Which of the following is a physical p…
Travel in straight lines
As the wavelength of x-ray photons sho…
Increase
54 terms
Diagnostic Imaging
what is a plain film radiograph?
x-ray if a form of what?
how many films do you need to assess a…
a radiolucent image has a what?
made without contrast enhancement or equipment modification
electromagnetic radiation not visible to the eye
at least two and sometimes 3 mandated by law
decreased radiographic density
what is a plain film radiograph?
made without contrast enhancement or equipment modification
x-ray if a form of what?
electromagnetic radiation not visible to the eye
Diagnostic Imaging
PET
CT
MRI
flat plates
positron emission tomography
computerized tomography
magnetic resonance imaging
also known as plain films
PET
positron emission tomography
CT
computerized tomography
200 terms
Diagnostic imaging
Describe anatomical position
Frontal plane aka
Transverse aka
Sagittal aka
Straight ahead, palms forward, feet shoulder width apart
Coronal
Horizontal
Vertical
Describe anatomical position
Straight ahead, palms forward, feet shoulder width apart
Frontal plane aka
Coronal
21 terms
Diagnostic Imaging
Principles of X-rays
Cathode ray tube for X-ray
Radiography
more dense the less X rays get through…
electromagnetic waves of short wavelength (photons) capable o…
as x-ray pass through the body they are attenuated by the tis…
-as x-ray pass through tissues they interact with the photogr…
whiter
Principles of X-rays
electromagnetic waves of short wavelength (photons) capable o…
Cathode ray tube for X-ray
as x-ray pass through the body they are attenuated by the tis…
73 terms
Diagnostic Imaging
How often is A-scan used
When is A-scan normally used
B-scan Ultrasound can be though of as
About B-scan
rarely
-cataract practices to determine axial length
brightness scan
-non-invasive imaging... -ultrasound pulses
How often is A-scan used
rarely
When is A-scan normally used
-cataract practices to determine axial length
32 terms
Diagnostic Imaging
5 different opacities from more opaque…
When you double your distance from the…
What 5 things need to be included on t…
1mm of lead reduces scatter by what %
air < fat < soft tissue/fluid < bone < metal
1/4
-Patient name... -Owner name... -Date... -Clinic name... -Anatomic markers
99%... 0.5mm by 90%
5 different opacities from more opaque…
air < fat < soft tissue/fluid < bone < metal
When you double your distance from the…
1/4
8 terms
Diagnostic Imaging
What is diagnostic imaging
X-Ray
Magnetic Resonance Imaging (MRI)
CAT (CT) Scan
technologies that doctors use to look inside your body for cl…
-Non invasive Test that involves exposing a part of the body…
-Uses a powerful magnetic field, radio frequency pulses and a…
-Non-invasive test that combines special x-ray equipment with…
What is diagnostic imaging
technologies that doctors use to look inside your body for cl…
X-Ray
-Non invasive Test that involves exposing a part of the body…
26 terms
Liver diagnostics
Markers of liver dysfunction
markers of synthetic dysfunction
Liver detoxification marker
Marker for hepatocellular injury
1 serum bilirubin... 2 urine bilirubin, urobilinogen
1 total protein, albumin, A/G ratio... 2 Prothrombin time &INR
1. Ammonia
1 alanine aminotransferase (ALT)... 2 Aspartate aminotransferase…
Markers of liver dysfunction
1 serum bilirubin... 2 urine bilirubin, urobilinogen
markers of synthetic dysfunction
1 total protein, albumin, A/G ratio... 2 Prothrombin time &INR
17 terms
Diagnostic Imaging
Anteroposterior View
Barium
Film
Film badge
Positioning the patient so that x-rays pass through the body…
Soft metallic element from the earth used as a radiopaque X-r…
Special photographic film that is sensitive to x-ray
Badge containing film that is sensitive to X-rays that is wor…
Anteroposterior View
Positioning the patient so that x-rays pass through the body…
Barium
Soft metallic element from the earth used as a radiopaque X-r…
70 terms
Diagnostic Imaging
Photon
Stochastic effects
Deterministic effects
Exposure
descrete bundle of electromagnetic radiation
probability of damage increases with dose
damage occurs only over a threshold
amount of ionization per mass of air
Photon
descrete bundle of electromagnetic radiation
Stochastic effects
probability of damage increases with dose
29 terms
Diagnostic Imaging
Arthography
Barium enema
Barium swallow
Brachytherapy
A radiologist, who uses a contrast medium and fluoroscopy to…
Performed by a radiologist, who instills barium sulfate throu…
Oral administration of a barium sulfate drink to help diagnos…
A radiologist places temporary radioactive implants close to…
Arthography
A radiologist, who uses a contrast medium and fluoroscopy to…
Barium enema
Performed by a radiologist, who instills barium sulfate throu…
49 terms
diagnostic imaging
Radiographs should be labeled with wha…
What info should be included on an x-r…
X-ray definition
The shorter the wave length, the great…
Name of patient and owner or patient ID #... Date... Name of prac…
Ō address ... Animal identification... Date... Type of exam... Can have t…
Nonluminous electromagnetic radiation with short signal, simi…
Energy of xray beam
Radiographs should be labeled with wha…
Name of patient and owner or patient ID #... Date... Name of prac…
What info should be included on an x-r…
Ō address ... Animal identification... Date... Type of exam... Can have t…
331 terms
Diagnostic Imaging
Which of the following is a physical p…
As the wavelength of x-ray photons sho…
The kVp setting on an x-ray machine co…
The milliampere-seconds; mAs, setting…
Travel in straight lines
Increase
Quality of the x-ray beam
Quantity of x-rays emitted
Which of the following is a physical p…
Travel in straight lines
As the wavelength of x-ray photons sho…
Increase
68 terms
Diagnostic Imaging
Diagnostic Radiology
Ultrasonography
Computed Tomography
Nuclear Scinitgraphy
-XRays used to produce image,transmitted through patient. ... -S…
-Uses sound waves to produce image, transmitted.... -Sending out…
-Uses X-rays to produce an image, transmitted.... -Cross-section…
-Uses gamma rays to produce an image, emitted from the patien…
Diagnostic Radiology
-XRays used to produce image,transmitted through patient. ... -S…
Ultrasonography
-Uses sound waves to produce image, transmitted.... -Sending out…
420 terms
Diagnostic Imaging
What is kilovaoltage
What happens when kv is increased
The higher the energy in kv
How does KV control the penetrating po…
Kilovoltage controls the penetrating power of the xray beam
Electrons move faster. The faster they move the more energy w…
the more powerful the penetrating primary beam
Th passage of high voltage current across the xray tube. Attr…
What is kilovaoltage
Kilovoltage controls the penetrating power of the xray beam
What happens when kv is increased
Electrons move faster. The faster they move the more energy w…
100 terms
Diagnostic Imaging
Which imaging procedure is best for di…
Maximum enhancement of normal hepatic…
Presence of gas bubbles in the pancrea…
Dilated, elongated esophagus with a sm…
CT
In the late portal phase
Pancreatic abscess formation
achalasia
Which imaging procedure is best for di…
CT
Maximum enhancement of normal hepatic…
In the late portal phase
69 terms
Diagnostic Imaging
1. Supraspinous Fossa... 2. Scapular spin…
2. Scapular spine... 4. acromion... cranioca…
1. Humoral Condyle... 2. supratrochlear f…
1. Humoral condyle... 2. supratrochlear c…
1. Supraspinous Fossa... 2. Scapular spin…
2. Scapular spine... 4. acromion... cranioca…
71 terms
Diagnostic Imaging
Who discovered x-rays?
Bones appear____ in a x-ray.
Muscles and organs appear in ___ a x-r…
Air(tissues) appear ___ in a x-ray.
Wilhelm Roetgen
whiter
gray hues
dark gray/black
Who discovered x-rays?
Wilhelm Roetgen
Bones appear____ in a x-ray.
whiter
420 terms
Diagnostic Imaging
What is kilovaoltage
What happens when kv is increased
The higher the energy in kv
How does KV control the penetrating po…
Kilovoltage controls the penetrating power of the xray beam
Electrons move faster. The faster they move the more energy w…
the more powerful the penetrating primary beam
Th passage of high voltage current across the xray tube. Attr…
What is kilovaoltage
Kilovoltage controls the penetrating power of the xray beam
What happens when kv is increased
Electrons move faster. The faster they move the more energy w…
11 terms
Diagnostic Imaging
What does the acronym DAMNIT V stand for
When positioning for cardiac radiograp…
DV
VD
D: Degenerative Developmental... A: Allergic, Autoimmune, Anoma…
-caudal vessels and parenchyma better ... -shows heart in normal…
Which view is this?
Which view is this?
What does the acronym DAMNIT V stand for
D: Degenerative Developmental... A: Allergic, Autoimmune, Anoma…
When positioning for cardiac radiograp…
-caudal vessels and parenchyma better ... -shows heart in normal…
45 terms
Diagnostic imaging
In which ways can gestational dating b…
When can fetal heart tones be heard by…
At what measurements are MSD, CRL and…
How are biometry parameters measured a…
- Based on menstrual history, clinical exam, ultrasound... - Ges…
- 11-12 weeks... - YS: starting 5-6 weeks
- MSD: until 14 mm (44 days GA)... - CRL: 10-84 mm... - BPD: > 84mm…
- MSD: mean of 3 orthogonal sac diameters "inner to inner". A…
In which ways can gestational dating b…
- Based on menstrual history, clinical exam, ultrasound... - Ges…
When can fetal heart tones be heard by…
- 11-12 weeks... - YS: starting 5-6 weeks
67 terms
Diagnostic Imaging
True Positive
False Positive
True Negative
False Negative
test detects something that is really there
test detects something that is not really there
test detects nothing, and other is there
test detects nothing, but there is something there
True Positive
test detects something that is really there
False Positive
test detects something that is not really there
240 terms
Diagnostic Imaging
Which of the following is a physical p…
As the wavelength of x-ray photons sho…
The kVp setting on an x-ray machine co…
The milliampere-seconds (mAs) setting…
a. Travel in straight lines
d. Increase
a. Quality of the x-ray beam
b. Quantity of x-rays emitted
Which of the following is a physical p…
a. Travel in straight lines
As the wavelength of x-ray photons sho…
d. Increase
54 terms
Liver diagnostics
liver rads are used for
contrast rads for liver
types of contrast angiograms
liver scintigraphy techniques
size, but is subj and impresice
contrast angiographic studies for portal vasclar anomalies
cranial mesenteric angiography and splenoportography
transcolonic nuclear protography
liver rads are used for
size, but is subj and impresice
contrast rads for liver
contrast angiographic studies for portal vasclar anomalies
26 terms
Diagnostic Imaging
X-Ray
Cathode
Anode
Artifact
Form of electromagnetic radiation that give internal imaging
X-Ray tube with negative charge that contains tungsten filame…
Positive charged x-Ray tube that contains rotating tungsten f…
Unwanted blemish densities on radiograph
X-Ray
Form of electromagnetic radiation that give internal imaging
Cathode
X-Ray tube with negative charge that contains tungsten filame…
93 terms
Diagnostic Imaging
MPD
MPD whole body
MPD individual organs
MPD lens of eye
Maximum Possible Dose
5 rem
50 rem
1.5 rem
MPD
Maximum Possible Dose
MPD whole body
5 rem
50 terms
Diagnostic imaging
What are x-rays?
What are the properties of x-rays?
How are x-rays produced?
What three things are needed to produc…
A form of electromagnetic radiation which acts similarly to l…
They travel in straight lines in a wave or ripple-like motion…
When electrons moving at high speed collide with matter.
A source of electrons; a way to get them moving at high speed…
What are x-rays?
A form of electromagnetic radiation which acts similarly to l…
What are the properties of x-rays?
They travel in straight lines in a wave or ripple-like motion…
9 terms
Liver Imaging
Abdomen what do you want to include
How many views are ideal
two components for serosal detail
causes of decreased serosal detail
dome of diaphragm to coxofemoral joints
3 because of air
peritoneal and retroperitoneal
lack of fat, brown fat, mass effect, peritonitis, fluid, carc…
Abdomen what do you want to include
dome of diaphragm to coxofemoral joints
How many views are ideal
3 because of air
7 terms
diagnostic imaging
Cathode
Anode
kVp
Heel effect
(-) contains a tungsten filament at which the electrons are g…
(+) contains a rotating tungsten target wherein x-rays are ge…
Kilo voltage peak.
result of unequal distribution of the x-ray beam intensity em…
Cathode
(-) contains a tungsten filament at which the electrons are g…
Anode
(+) contains a rotating tungsten target wherein x-rays are ge…
14 terms
Diagnostic Imaging
modalities that use ionizing radiation
modalities that do NOT use radiation
carcinogenesis- 5 most likely
special pt populations
-radiograph... -CT... -fluoroscopy... -angiography
-ultrasound... -MRI
-leukemia, thyroid, breast, lung, skin
-previous allergy to contrast... -renal pts- creatinine > 1.5... -f…
modalities that use ionizing radiation
-radiograph... -CT... -fluoroscopy... -angiography
modalities that do NOT use radiation
-ultrasound... -MRI
10 terms
diagnostic imaging
ABCs of radiologic interpretation
DEXA
Computed Tomography
CT scan
Alignment... Bone... Cartilage space... Soft tissue
dual energy x-ray absorptiometry... measures bone density at hip…
CAT scan... ionizing radiation (x-rays) to generate images in th…
great to visualize bones and soft tissue... shorter time than MR…
ABCs of radiologic interpretation
Alignment... Bone... Cartilage space... Soft tissue
DEXA
dual energy x-ray absorptiometry... measures bone density at hip…
15 terms
Diagnostic Imaging
CT: Marrow
CT: Cortex
CT: Fat
CT: Water
gray
White
Black
Grey
CT: Marrow
gray
CT: Cortex
White
94 terms
Diagnostic Imaging
Interventional Radiology
Radiation Oncology
Diagnostic Imaging
Radiograph
- Used to diagnose and treat conditions non-surgically... - Sten…
- Used to treat cancer by using targeted radiation doses
- Evaluates every body system
- Conventional radiography ... - Captures images of anatomic par…
Interventional Radiology
- Used to diagnose and treat conditions non-surgically... - Sten…
Radiation Oncology
- Used to treat cancer by using targeted radiation doses
18 terms
Diagnostic Imaging
anteroposterior
barium
film
film badge
...
...
...
...
anteroposterior
...
barium
...
14 terms
Diagnostic Imaging
anter
fluor
later
nucle
front
fluorescence, luminous
side
nucleus
anter
front
fluor
fluorescence, luminous
13 terms
Diagnostic Imaging
MRI
CT SCAN
KUB
R ; RT.
Magnetic resonance imaging
Computed Tomography Scan
Kidney, Ureter, Bladder
Right
MRI
Magnetic resonance imaging
CT SCAN
Computed Tomography Scan
119 terms
Diagnostic Imaging
alpha rays
barium
beta rays
brachytherapy
type of radioactive particle that has a low ability to penetr…
contrast medium that shows up as white on an x-ray
type of radioactive particle that has a medium ability to pen…
implanting of radioactive elements directly into a tumor or t…
alpha rays
type of radioactive particle that has a low ability to penetr…
barium
contrast medium that shows up as white on an x-ray
128 terms
Diagnostic Imaging
Osteochondroma
Unicameral Bone Cyst
Aneurysmal Bone Cyst
Giant Cell Tumor
...
...
...
...
Osteochondroma
...
Unicameral Bone Cyst
...
16 terms
Diagnostic Imaging
KVP
MA
MRI
CT
Kilavoltage peak
Milliamperes
Magnetic resonance imaging
Computed tomography
KVP
Kilavoltage peak
MA
Milliamperes
30 terms
Diagnostic Imaging
x-rays
Radiograph
x-ray tube
focal-film distance
Electromagnetic radiation capable of penetrating tissues and…
Image produced by exposure of film to x-rays
Mechanism containing an anode and a cathode that produces a x…
The distance between the x-ray tube and the film or image rec…
x-rays
Electromagnetic radiation capable of penetrating tissues and…
Radiograph
Image produced by exposure of film to x-rays
Diagnostic Imaging
Anteroposterior view
Barium
Film
Film Badge
Positioning the patients so that the x-rays pass through the…
Soft metallic element from the earth used as a radiopaque x-r…
Thin sheets of cellulose material coated with a light sensiti…
Badge containing film that is sensitive to x-rays. this is wo…
Anteroposterior view
Positioning the patients so that the x-rays pass through the…
Barium
Soft metallic element from the earth used as a radiopaque x-r…
27 terms
Diagnostic Imaging
anteroposterior view
barium
film
film badge
Positioning the patient so that the X-rays pass through the b…
soft metallic element from the earth used as a radiopaque X-r…
Thin sheet os cellulose material coated with light-sensitive…
Badge containing film that is sensitive to X-rays. This is wo…
anteroposterior view
Positioning the patient so that the X-rays pass through the b…
barium
soft metallic element from the earth used as a radiopaque X-r…
26 terms
Diagnostic Imaging
anteroposterior view
barium
film
film badge
positioning the patient so that the x rays pass through the b…
soft metallic element from the earth used as a radiopaque x-r…
thin sheet of cellulose material coated with a light sensitiv…
badge containing film that is sensitive to x rays. This is wo…
anteroposterior view
positioning the patient so that the x rays pass through the b…
barium
soft metallic element from the earth used as a radiopaque x-r…
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