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Pulmonology > Normal Chest Radiology > Flashcards

Normal Chest Radiology Flashcards

1
Q

What are the 4 radiographic densities ?

A

Soft Tissue (water)
Fat
Air- Black
Bone(Calcium)- White

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2
Q

What level should the right hemi-diaphragm be at?

A

Posterior 9th or 10th ribs

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3
Q

How visible shoud the spine be on a PA view chest radiograph?

A

Thorachic Spine should just be visible through the heart but bony detail is not well seen!

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4
Q

How visible shoud the spine be on a Lateral view chest radiograph?

A

Spine should darken as you move caudally, the sternum should be on edge and posteriorly you should see 2 stes of ribs

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5
Q

How can you tell if patient is rotated on the film?

A

Ribs are equidistant on both sides

Clavicular heads are equidistant from the spinous process of VB

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6
Q

What will be the distortions seen in a rotated Pt?

A

Heart

Mediastinum

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7
Q

What is the Space between the visceral and parietal pleura?

A

Pleural space

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8
Q

What is the Space between the lobes where the visceral pleural surfaces touch?

A

Interlobar Fissure

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9
Q

What view will best show the fissures of the lungs?

A

Lateral view- (Beam is oblique or perpendicular to the fissure)

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10
Q

What are the contents of the AP window?

A

Lymph nodes
Left recurrent laryngeal nerve
Fat

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11
Q

Which ribs are magnified on the lateral view chest radiograph?

A

Right Ribs

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12
Q

What are the clear spaces on a chest radiograph?

A

Retrosternal
Retroesophageal
Retrocardiac

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13
Q

What are the 5 pathologies of the Retrosternal Clear Space?

A 
Terrible Lymphoma
Thymoma
Teratoma and other germ cell tumors
Thyroid
Thoracic aortic aneurism
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14
Q

What are the 5 pathologies of the Retrotracheal Clear Space?

A

Vascular Abnormalities
Esophageal disease
Lung Cancer

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15
Q

What are the 5 pathologies of the Retrocardiac Clear Space?

A

Hiatal Hernia
Esophageal Disease
LV Enlargement
Pneumonia

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16
Q

What are the contents of the Anterior Mediastinum?

A

Thymus
Lymph nodes
Fat
internal Mammary Vessels

17
Q

What are the contents of the Middle Mediastinum?

A 
Heart/pericardium
Ascending aorta and arch
SVC
IVC
Pulm Vessels 
Brachiocephalic vessels 
Trachea 
Main Bronchi
Lymph Nodes 
Phrenic Nerves 
Left Recurrent Laryngeal N
18
Q

What are the contents of the Posterior Mediastinum?

A 
Esophagus 
Descending Aorta
Azygous vein 
Hemi-azygous vein
Thoracic duct
Nerves 
LN
19
Q

What is the Cardiothoracic Ratio?

A

Ratio of the maximum transverse diameter of the heart to the diameter of the chest as measured at the highest level of the right hemidiaphragm
Normal is 0.5 or less

PA view only

20
Q

What is often observed about the hilum of the lungs in relation to each other?

A

Left Hilum is higher than the right hilum

21
Q

What does rounding of the costophrenic angles suggest?

A

Pleural effusion

Pulmonology (18 decks)

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