Term
|
Definition
| Positively charged side of the x-ray tube that receives oncoming electrons from the cathode |
|
|
Term
| Electrons and the metal anode. |
|
Definition
| Both heat and x-rays are produced as a result of integration between ______ and _______. |
|
|
Term
|
Definition
| Negatively charged side of the x-ray tube that produces electrons from a metal filament when it is heated. |
|
|
Term
|
Definition
| L-shaped measuring instrument with centimeter markings, used to measure the thickness of the anatomic region of interest. |
|
|
Term
|
Definition
| Contains the tungsten filament |
|
|
Term
|
Definition
| Also known as the tungsten target |
|
|
Term
|
Definition
| measures exposure to ionizing radiation |
|
|
Term
|
Definition
| kilovoltage peak: the maximum energy available at the kilovoltage setting (QUALITY) |
|
|
Term
|
Definition
| controls quantity of electrons "boiled off" at the filament (QUANTITY) |
|
|
Term
increased mAs=
decreased mAs= |
|
Definition
increased=film blackness
decreased=lighter film |
|
|
Term
|
Definition
high= lower scale of contrast (more black and white)
low= higher scale of contrast (more grays) |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Source Image Distance: Distance form the target to the recording surface (aka FFD) 36-42 inches |
|
|
Term
|
Definition
| lower energy x-ray photons that have undergone a change in direction after interacting with structures in the patient's body |
|
|
Term
|
Definition
| sets grid in motion as x-rays are generated, blurring white grid lines on the radiograph |
|
|
Term
| soft tissue requires which settings? |
|
Definition
|
|
Term
| bones require which settings? |
|
Definition
|
|
Term
|
Definition
| greater intensity is produced on the cathode side because of the angle of the target in the anode side |
|
|
Term
|
Definition
| Gloves, gown, dosimeter badge. (thyroid shield) |
|
|
Term
|
Definition
| occurs when the distance between the object and the film is increased |
|
|
Term
|
Definition
| occurs when object is not parallel to the recording surface; (shortens the length of the object) |
|
|
Term
|
Definition
| occurs when object is not directly under the x-ray source (primary beam). |
|
|
Term
|
Definition
| Occurs when object is not parallel to the recording surface |
|
|
Term
|
Definition
| Cranial, caudal, ventral, dorsal, medial, lateral, proximal, distal, rostral |
|
|
Term
| FOV and the center point of the Abdomen |
|
Definition
| 6th rib or xiphoid (diaphragm) to head of the femur/greater trochanter; Last rib |
|
|
Term
| FOV and center point of the thorax |
|
Definition
| Cranial aspect of scapula or manubrium to 2nd lumbar vertebra (all the ribs); Caudal aspect of scapula |
|
|
Term
| FOV and center point of lateral radius and ulna |
|
Definition
| Joint above (elbow) and joint below (carpus); Midshaft |
|
|
Term
| FOV and center point of Dorsal/Plantar Carpus and Paw |
|
Definition
| all the carpus to distal aspect of toes; caudal carpus |
|
|
Term
| OFA Pelvis FOV and quality/ criteria used to evaluate the radiograph |
|
Definition
Patient is placed in dorsal recumbency, rear limbs are parallel and extended. FOV: Cranial tip of the ilium to below the stifle joint. Radiograph must be permanently identified with animal's name, date and vet's name or hospital. Also must record any tattoos or microchips.
• Parallel femurs
• Obturator foramen are the same size
• Ischial tuberosity are equal
• Legs are parallel and patellas are on top |
|
|
