* CHEST X RAY POSTERIOR ANTERIOR
(PA VIEW) INTRODUCTION - In the chest x-ray, radio graphs of the
organ located in the thoracic part of the body are taken. The thoracic cavity
contains some of the main organs of its body, such as the heart, lungs,
trachea, esophagus, aorta, etc. To protect all of this, thoracic cages are
removed, in which anteriorly sternum, posteriorly vertebral column and lateral
ribs are located.
·
THE
CASES IN WHICH WE DO -Fever,chest
pain,ribs broken,Heart Failure,lung cancer etc
·
PREPARATION - If there is any surgical
implanted device of the patient like pacemaker or heart valve, then the doctor
should be told first. In this case, the doctor may consider any other
alternative of chest x-ray such as CT Scan or Sonography etc. Before X-ray, the
patient is asked to remove the clothes above his waist and wear a hospital
gown.
·
CENTERING POINT
- at the level of the 7th thoracic vertebrae,near the
inferior angle of scapulae
·
COLLIMATION - superiorly 5
cm above the shoulder joint to allow proper watching of upper airways
·
CASSETTE ORIENTATION
- landscape or portrait (depend upon patients)
·
CASSETTE SIZE -
35*43
·
EXPOSURE - kv- 101-109 and mas - 4-5
·
CENTRAL RAY- perpendicular to cassette
·
FFD- 180 cm
·
grid - yes
·
RESPIRATION- suspended inspiration
·
CHEST
X RAY ANTERIOR POSTERIOR (AP VIEW) INTRODUCTION - The AP view is done to
visualize the chest lungs,thoracic cavity,medstinum,great vessels,acute and
chronic disease of the chest
·
CENTRAL
RAY - perpendicular
to cassette
·
CENTERING POINT
- entering
point at the midpoint between xiphoid process and sternal notch
·
COLLIMATION - to include apices and
costophrenic angles,lateral margins of the chest and last ribs(laterally)
·
FFD
- 180
CM
·
RESPIRATION
- suspended
inspiration and expiration for pneumothorax
·
POSITIONING
-patient seated
in wheelchair or upright in bed with back against cassette and arms by side
·
CASSETTE
SIZE -
35*43 CM
·
CASSETTE
ORIENTATION - Landscape
(or depend on patient)
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