Mô tả:
KHAÛO SAÙT
X QUANG NGÖÏC
YÙ nghóa hình X quang.
Ñoä haáp thu tia X cuûa caáu truùc trong cô theå:
– Khí: khoâng haáp thu tia: ñen nhieàu.
– Môõ: do tyû troïng nhoû hôn nöôùc ít haáp thu
tia: xaùm nhieàu.
– Nöôùc hay dòch: goàm taát caû caùc boä chöùa
dòch nhö tim, gan, maùu, thaän, naõo…ñeàu
coù ñoä xaùm nhö nhau.
– Caáu truùc coù calcium: caûn tia nhieàu, neân
maøu traéng
– Chaát töông phaûn caûn quang: barium,
iodide…
– Kim khí.
Effect of projection on apparent heart size
PA
AP
X-ray tube
Different CXR Views:
•
•
•
•
•
•
•
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Posterior-Anterior (PA)
Anterior-Posterior (AP)
Lateral
Supine
Oblique
Expiratory
Lateral Decubitus
Lordotic
Lateral Decubitus view
Lordotic view
Expiratory view
FOR
EXAMINATION OF
THE LUNG APEX
FOR DIAGNOSIS OF
BRONCHIAL ASTHMA
Approach to Chest Radiograph:
Technical Factors
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•
•
•
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Patient Identification (name and date)
Markers (Left vs right)
Assess for rotation (clavicles vs spinous
process)
Penetration (thoracic spine should be visible)
Degree of Inpiration: 6th anterior or 10th
posterior
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