Thin curved sheet of muscle that separates the abdominal cavity from the thoracic cavity
The diaphragm
Air sacs where O2 and CO2 are exchanged with blood
Alveoli
Mirror of health or disease
CXR - chest radiograph
A double walled sac that is contained within each lung
The pleura
Great vessel of the heart that returns deoxygenated blood to the R atrium
Inferior vena cava
The diaphragm is the sum of the combined densities of the...
liver, stomach, posterior lungs, and spleen
The right primary bronchus breaks down into ___ secondary bronchi
3
Routine radiographic views of thoracic spine
PA, lateral
Lines the chest wall and diaphragm
Outer layer of the parietal pleura
The loss of a normal radiographic interface between air and soft tissue such s the lungs and the heart or the lungs and the diaphragm
Silhouette sign
On inspiration, the dome is at the ___ rib intercostal space
10th rib
What are the respiratory organs
Larynx, trachea, bronchi, lungs
Differences between AP thoracic spine and chest radiograph
High vs. low contrast, PA vs. AP
The space between the outer and inner layers of the lungs
The pleural space/cavity
Great vessel that exchanges blood into the lungs
Pulmonary A and V
Abnormal elevation of the diaphragm may be due to...
Ascites, cirrhosis
The left primary bronchus breaks down into ___ secondary bronchi
2
Image less desirable due to magnification of heart and lungs, used for patients who are too ill to stand
AP view
Covers the surface of the lungs and dip into the fissures
Inner layer, the pulmonary or visceral pleura
Great vessel that pumps blood to the body
Aorta
Abnormal flattening of the diaphragm may be due to...
Emphysema, large pleural effusions
The air bronchogram sign is nonspecific, and may be due to:
infection (pneumonia), blood (hemorrhage), and serous fluid (pulmonary edema)
How many anterior and posterior ribs are there shown on a radiograph?
6 anterior ribs
10 posterior ribs
Disease of the pleura that causes pain upon inspiration
Pleurisy/pleuritis
The widest width of the heart should be less than half the width of the chest at the level of the diaphragm
Cardiothoracic ratio