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Chest X-ray Interpretation for Critical Care Transports
Focusing on what matters…
Robert Donovan MD FACEPMedical Director PHI California
Chief of Staff Doctors Medical Center
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We went from surface anatomy to being able to look under the skin
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How Are X-rays Made?
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Metal : DenseNothing goes
through
Soft Tissues: L
east Dense
Grey color
Air: Not d
ense at
all
all x-ra
ys pass
through
Bone: Somewhat densewhiter than tissue,
darker than handcuffs
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X-Ray Findings you
can’t afford to miss!!
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Systematic Approach to Chest X-rays
• Lots of methods• Learn any one, then stick to it• Most errors are made because of poor viewing
conditions, no method, and going too fast
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Checklist A B C D SCheck 4 R’s
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For all X-Rays, check the 4 R’s….
• Right Person?
• Right/Left?
• Rotated?
• Radiation?
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25 yo Male with complaint of pleuritic chest pain on the right side.
If this is a 25 yo Male, then what are these?
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Rightside
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ChecklistAirway - Aorta
Breathing - BonesCirculation - Cardiac
Diaphragm - DeformitySoft tissues - Shoulder
Check 4 R’s
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ChecklistAirway - Aorta
Check 4 R’s
A
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What we are looking for with..
• Airway– Position• Is it mid-line? If not: ?Rotation ? Pathology ? Tension?
– Corina• Helps with placement of ET tube depth
– Caliber• Steepling – hints towards croup as Dx
A
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What we are looking for with..
• Aorta– Location• Helps Identify Left vs Right on x-ray• Helps you find left mainstem bronchus
– Calcifications • Nice but not particularly significant
– Size (Mediastinum)• Despite current media: size matters• Big -> possible aortic pathology
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ChecklistAirway - Aorta
Breathing - Bones
Check 4 R’s
B
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What we are looking for with..
• Breathing– Look at the lung fields– Hazy/White = pneumonia/infiltrate or mass– Too Dark (or absence of markings)• Possible Pneumothorax• Possible Bulla
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What we are looking for with..
• Bones (Focus on Ribs)– Fractures• Points towards degree of injury/mechanism• Gives us clues of possible underlying injuries
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ChecklistAirway - Aorta
Breathing - BonesCirculation - Cardiac
Check 4 R’s
C
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What we are looking for with..
• Cardiac– “Big” or “Not Big”– Well defined Margins– Subtle bumps (RV enlargement)
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ChecklistAirway - Aorta
Breathing - BonesCirculation - Cardiac
Diaphragm - Deformity
Check 4 R’s
D
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What we are looking for with..
• Diaphragm– Configuration• 2 rounded humps
– Sharp Margins– Sharp Sulci– Look underneath• Gas where it should or shouldn’t be• NG tube
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What we are looking for with..
• Deformity (All the other Bones)– Clavicle fractures/Dislocations– Humeral fractures/Dislocations– Scapula• Follow the curve of the tip• Look for Fracture
Style Points
often lost h
ere
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ChecklistAirway - Aorta
Breathing - BonesCirculation - Cardiac
Diaphragm - DeformitySoft tissues - Shoulder
Check 4 R’s
S
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What we are looking for with..
• Soft Tissues– Air– Foreign Bodies (Including chest tube placement)
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What we are looking for with..
• Shoulder– Fracture– Dislocation
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Chest X-ray
• Pneumothorax• Effusions• Pneumonia
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Spontaneous Pneumothorax
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Looking for love in all the wrong places
• On all films, look for air where it shouldn’t be• Air in the wrong place => pathology!
Air
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Beware of the “straight line”
• In nature (and with x-rays), straight lines are unusual
• In X-rays, if you see a straight line, think about an air-fluid level
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FINAL EXAM
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ChecklistAirway - Aorta
Breathing - BonesCirculation - Cardiac
Diaphragm - DeformitySoft tissues - Shoulder
Check 4 R’s
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65 yo male, c/o SOB
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