XRay Flashcards
What kind of chronic pulmonary disease is not visible on CXR
Asthma
How does overexposure affect the appearance of the CXR image?
Image too dark
How does underexposure affect the appearance of the CXR image?
Image too white
What is a common issue with underexposed film?
Small pulmonary vessels appear prominent –> false diagnosis of infiltrates
Which combination of 1)CXR & 2)patient position result in the heart being magnified due to the path of the beam?
AP: the beam hits the heart then spreads out before it hits the film
Supine: abdominal content push diaphragm up –> crowding of the pulmonary vessels
What is missed with overexposed CXR film?
small nodules
fine structures
What is well seen with overexposed CXR film
Thoracic spine
mediastinal structures
retrocardiac structures
What structure can be hidden by breast tissue?
Hemidiaphragm
When an adult takes a full breath while standing, what level does the hemidiaphragm drop to?
10th posterior ribs
When the hemidiaphragm is at this level, the lungs should be considered hypoinflated.
7th posterior rib
What structures are included in the examination of the Mediastinum on a CXR
Heart
Great vessels
What 2 diagnoses can be incorrectly considered when the hemidiaphragm is at the level of the 7th posterior rib?
basilar PNA
cardiomegaly
What does the acronym ATMIB stand for when reviewing a CXR?
Abdomen
Thorax
Mediastinum
Individual lungs
Bilat Lungs
