Term
| What are the two most commonly used methods for imaging of the thorax? |
|
Definition
|
|
Term
| What are some pluses and minuses to X-Rays? |
|
Definition
Plus: easy to use, cost effective
Minus: patient exposed to radiation |
|
|
Term
| What are the two major types of X-rays of the chest? |
|
Definition
| Frontal X-ray and Lateral X-Ray |
|
|
Term
| Why are the vertebrae above the heart easier to visualize than other vertebrae? |
|
Definition
| Heart is not obstructing view, trachea is filled with air and is in front of the vertebrae |
|
|
Term
| How does cancer that has metastasized to the lungs differ from cancer that originated in the lungs? |
|
Definition
Small white spots=metastases
Small white spots with a larger, central tumor=originally lung cancer |
|
|
Term
| What is the difference between axial, coronal, and sagittal CT images? |
|
Definition
axial=slices from feet looking towards head
coronal= slices from front looking back
sagittal= slices from left looking right |
|
|
Term
| What are some pluses and minuses to using CT? |
|
Definition
Plus: Greater resolution than X-ray, good to image organs, cheaper than MRI
Minus: Excessive radiation exposure |
|
|
Term
|
Definition
| Uses a strong magnetic field to align protons, radio frequencies used to create the image via the resonance of the sound wave off the tissue |
|
|
Term
| What is the difference between T1 and T2 weighted images? |
|
Definition
T1=highlights fat
T2=highlights water |
|
|
Term
| What are some of the pluses and minuses of using MRI? |
|
Definition
Plus: Great resolution, great at imaging musculoskeletal system, few side effects
Minus: Cost |
|
|
Term
| How does diagnostic medical sonography (US) work? |
|
Definition
| uses transducers or probes that create or receive sound waves, the waves penetrate tissues and ripple in distinct ways based on the tissue type and reflect the wave that will be represented as an image |
|
|
Term
| What are the different types of nuclear imaging? |
|
Definition
Traditional nuclear medicine imaging (NM)
Positron emission tomography (PET)
Single photon emission computed tomography (SPECT) |
|
|
Term
| What does pneumonia look like on an X-ray? |
|
Definition
| One or more of the lobes of the lung will appear white, possibly enlarged LV due to lack of blood oxygenation |
|
|
Term
| What does pulmonary hypertension look like on an X-ray? |
|
Definition
| whitening of the bronchioles, whitening and enlarging of heart |
|
|
Term
| What does emphysema look like on an X-Ray? |
|
Definition
| lowering of the diaphragm |
|
|
Term
| What does a pneumothorax look like on an X-ray? |
|
Definition
| Shifted heart/dark spot in side opposite of shift (which pushes the lungs into heart) |
|
|
Term
| What does a dissecting aortic aneuryism look like on a CT? |
|
Definition
| A crack through the aorta (dark line) |
|
|
Term
| What does a pulmonary embolism look like on CT? |
|
Definition
| Lack of contrast dye in the right and left pulmonary artery indicates a blockage in the pulmonary system |
|
|
