xray basics by me
TRANSCRIPT
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CHEST XRAY BASICS
DR UMAMAHESH MD,FCCP
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Essentials Before Getting Started
Sex of Patient
Male
Female
Date of examination
Path of x-ray beam
PA
AP
Lateral
Lateral Decubitus
Exposure
Overexposure
Underexposure
Rotation
Breath
Inspiration
Expiration
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POSTEROANTERIOR (PA) VIEW
The standard frontal view of the chest
Refers to direction of x-ray beam
Positioning of the patient
Taken at a distance of SIX FEET
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PA VIEW
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PA VIEW
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ANTEROPOSTERIOR (AP) VIEW
Patient in supine position
Used in very sick patients, infants, one who is unable
to sit or stand
Direction of x-ray beam
At a distance of 4 feet
Greater magnification
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AP VIEW
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AP VIEW
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PA VS AP VIEW
PA
Taken in standing or sitting
Scapulae not overlapping
lung fields
Clavicle is not
foreshortened
No cardiac magnification
Fundic air bubble seen
AP
Taken in supine
Scapulae overlapping
lung fields
Clavicle is foreshortened
Cardiac magnification
Fundic air bubble not seen
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PA VS AP
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LATERAL VIEW
Left lateral and right lateral view
INDICATIONS:
1. Minimal pleural effusion
2. Segmental/mediastinal localizations of lesions of
chest
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Lateral
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DECUBITUS VIEW
Right decubitus and Left decubitus views
Xray beam focussed perpendicular to film
Indications:
1.Minimal pleural effusion
2.Confirm air fluid levels in lung itself
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Lateral Decubitus
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Penetration
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Rotation
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Expiration/Inspiration
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Counting the ribs
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HEART
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HILUM
RIGHT
HILUM
LEFT HILUM
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ADDITIONAL VIEWS
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EXPIRATORY FILM
TO DETECT UNILATERAL OBSTRUCTIVE
EMPHYSEMA
PNEMOTHORAX APPEARS LARGER ON
EXPIRATION
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Lordotic view
Used to visualize the apex of the lung, to pick up
abnormalities such as a Pancoast tumour.