The Chest X-Ray : S01E01

Most commonly used āĻšāĻšā§āϛ⧇ PA view, āĻŽāĻžāύ⧇ āϤ⧁āĻŽāĻŋ āĻĒāĻŋāĻ  āĻŦāĻžāχāϰ⧇āϰ āĻĻāĻŋāϕ⧇ āĻĻāĻŋā§Ÿā§‡ āĻĻāĻžāρāĻĄāĻŧāĻžāĻŦāĻžāĨ¤ āĻāĻ•ā§āϏāϰ⧇ āĻāϰ āϰ⧇ āĻĒāĻŋāϠ⧇āϰ āĻĻāĻŋāĻ• āĻĨ⧇āϕ⧇ āφāϏāĻŦ⧇- Posterior to anterior. āĻāĻ–āĻžāύ āĻĨ⧇āϕ⧇āχ āύāĻžāĻŽ āĻšā§Ÿā§‡āϛ⧇ PA VIEW. then come lateral view.

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āĻāĻ›āĻžāĻĄāĻŧāĻžāĻ“ āφāϰāĻ“ āĻ•āĻŋāϛ⧁ view āφāϛ⧇āĨ¤ āϝ⧇āĻŽāύ :

  • AP view
  • Lordotic view
  • Lateral decubitus view
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āĻāϗ⧁āϞ⧋āϰ āĻĒā§āϰāĻ¤ā§āϝ⧇āĻ•āϟāĻžāϰ āφāϞāĻžāĻĻāĻž āφāϞāĻžāĻĻāĻž āĻ¸ā§āĻĒāĻŋāϏāĻŋāĻĢāĻŋāĻ• āχāĻ¨ā§āĻĄāĻŋāϕ⧇āĻļāύ āφāϛ⧇, āϕ⧋āύāϟāĻž āĻ•āĻ–āύ āĻ•āϰāϤ⧇ āĻšāĻŦ⧇ āϏ⧇ āĻŦā§āϝāĻžāĻĒāĻžāϰ⧇āĨ¤ Most commonly used āĻšā§Ÿ PA āφāϰ Lateral view. āφāĻŽāϰāĻž āĻ“āχ āĻĻ⧁āχāϟāĻž āύāĻŋā§Ÿā§‡āχ āϟ⧁āĻ•āϟāĻžāĻ• āĻ•āĻĨāĻžāĻŦāĻžāĻ°ā§āϤāĻž āĻŦāϞāĻŦā§‹āĨ¤

PA view āϏāĻŦāϏāĻŽā§Ÿ āĻĻāĻžāĻĄāĻŧāĻžāύ⧋ āĻ…āĻŦāĻ¸ā§āĻĨāĻžā§Ÿ āĻ•āϰāϤ⧇ āĻšā§Ÿ- Always on erect posture, inspiratory film, āĻŽāĻžāύ⧇ āĻšāϞ⧋ āϤ⧁āĻŽāĻŋ āĻĻāĻžāĻĄāĻŧāĻžā§Ÿā§‡ āĻļā§āĻŦāĻžāϏ āύāĻŋā§Ÿā§‡ āϧāϰ⧇ āϰāĻžāĻ–āĻŦāĻž, āĻ āĻŋāĻ• āĻ“āχ āĻ…āĻŦāĻ¸ā§āĻĨāĻžā§Ÿ āĻāĻ•ā§āϏāϰ⧇ āĻ•āϰāĻž āĻšāĻŦ⧇āĨ¤ except to exclude pneumothorax. Pneuomothorax suspect āĻ•āϰāĻž āĻšāϞ⧇ expiratory film āĻĻāϰāĻ•āĻžāϰ āĻšā§ŸāĨ¤


āϕ⧇āύ inspiratory film āϞāĻžāϗ⧇?

āĻ•āĻžāϰāĻŖ expiratory film āĻāϰ āĻ•āĻŋāϛ⧁ āϭ⧇āϜāĻžāϞ āφāϛ⧇āĨ¤āϝ⧇āĻŽāύāσ
– Lungs āĻ¸ā§āĻĒāĻˇā§āϟ āĻĻ⧇āĻ–āĻž āϝāĻžā§ŸāύāĻž – hazy āĻĻ⧇āĻ–āĻž āϝāĻžā§ŸāĨ¤ āĻāχāϜāĻ¨ā§āϝ⧇ interpret āĻ•āϰāĻž āĻ•āĻˇā§āϟāĨ¤
– Heart āϏāĻžāχāĻœā§‡ āĻŦ⧜ āĻĻ⧇āĻ–āĻžā§ŸāĨ¤


Pneumothorax āĻ expiratory film āĻ•āϰāĻž āĻšāϝāĻŧ āϕ⧇āύ?

  • expiratory film āĻ lung āĻ āĻŦāĻžāϤāĻžāϏ āĻ•āĻŽ āĻĨāĻžāϕ⧇āĨ¤ pneumothorax āĻšāϞ⧇ lung āĻ āĻŦāĻžāϤāĻžāϏ āϜāĻŽāĻž āĻĨāĻžāϕ⧇, āĻŽāĻžāύ⧇ āĻ•āĻžāϞ⧋ āĻĻ⧇āĻ–āĻž āϝāĻžāĻ“ā§ŸāĻžāϰ āĻ•āĻĨāĻžāĨ¤ āφāϰ inspiratory film āĻ āĻāĻŽāύāĻŋāϤ⧇āχ āĻŦāĻžāϤāĻžāϏ āĻŦ⧇āĻļāĻŋ āĻĨāĻžāϕ⧇, āϝāĻžāϰ āĻ•āĻžāϰāϪ⧇ āĻ•āĻžāϞ āĻĻ⧇āĻ–āĻž āϝāĻžā§ŸāĨ¤
    āϕ⧀ āĻ•āĻžāϰāϪ⧇ āĻ•āĻžāϞ āĻšāχāϛ⧇ – inspiratory film āĻāϰ āϜāĻ¨ā§āϝ⧇ āύāĻžāĻ•āĻŋ pneumothorax āĻāϰ āϜāĻ¨ā§āϝ⧇ āϏ⧇āϟāĻž āĻŦ⧁āĻāĻž āϝāĻžā§ŸāύāĻžāĨ¤ āĻāϜāĻ¨ā§āϝ⧇ āφāĻŽāϰāĻž expiratory film āĻ•āϰāĻŋāĨ¤ āϤāĻžāχāϞ⧇ lungs āĻ āφāϟāĻ•āĻž āĻĒ⧜āĻž āĻŦāĻžāϤāĻžāϏ āĻ­āĻžāϞ āĻŦ⧁āĻāĻž āϝāĻžāĻŦ⧇āĨ¤
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āĻāϟāĻž āĻāĻ•āϟāĻž Pneumothorax āĻāϰ āĻāĻ•ā§āϏāϰ⧇āĨ¤ Inspiratory film āĻ pneumothorax āĻŦ⧁āĻāϤ⧇ āĻšāϞ⧇ āĻŦ⧇āĻļ āĻŦ⧇āĻ— āĻĒ⧇āϤ⧇ āĻšāĻŦ⧇, āĻ…āĻĨāϚ expiratory film āĻ āϤāĻžāĻ•āĻžāϞ⧇ āϏāĻšāĻœā§‡āχ āϜāĻŽā§‡ āĻĨāĻžāĻ•āĻž āĻŦāĻžāϤāĻžāϏ āĻšā§‹āϖ⧇ āĻĒāĻĄāĻŧ⧇āĨ¤
āĻŦāĻŋāσāĻĻā§āϰāσ āĻāĻ–āύāχ pneumothorax āĻŦ⧁āĻāĻžāϰ āϜāĻ¨ā§āϝ⧇ āĻ“āϠ⧇āĻĒāĻĄāĻŧ⧇ āϞāĻžāĻ—āĻžāϰ āĻĻāϰāĻ•āĻžāϰ āύāĻžāχāĨ¤āϧ⧀āϰ⧇ āϏ⧁āĻ¸ā§āĻĨā§āϝ⧇ āĻšāĻŦ⧇!

Inspiratory film āύāĻžāĻ•āĻŋ expiratory film āϏ⧇āϟāĻž āĻ•āĻŋāĻ­āĻžāĻŦ⧇ āĻŦ⧁āĻāĻŦāĻž?

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  • inspiratory film e air āĻŦ⧇āĻļāĻŋ āĻĨāĻžāĻ•āĻŦ⧇āĨ¤ āϤāĻžāχ lungs āĻ•āĻžāϞ⧋ āĻĻ⧇āĻ–āĻžāĻŦ⧇āĨ¤ expiratory film āϤ⧂āϞāύāĻžāĻŽā§‚āϞāĻ• āĻ•āĻŽ āĻ•āĻžāϞ⧋
  • Posferiorly 11th rib āĻ…āĻĨāĻŦāĻž Anteriory of 6th rib Diaphragm āĻāϰ āĻŽāĻžāĻ āĻĻāĻŋā§Ÿā§‡ āϝāĻžāĻŦ⧇āĨ¤
    -āϝāĻĻāĻŋ 6th anterior rib āĻĒāĻ°ā§āϝāĻ¨ā§āϤ āĻŦāĻž 10th posterior rib āĻĒāĻ°ā§āϝāĻ¨ā§āϤ āĻĒ⧁āϰāĻžāĻĒ⧁āϰāĻŋ āĻĻ⧇āĻ–āĻž āϝāĻžā§Ÿ āϤāĻžāχāϞ⧇ āĻŦ⧁āĻāϤ⧇ āĻšāĻŦ⧇ full inspiratory film.
  • Inspiratory film āĻ ribs āĻāϰ āĻŽāĻžāĻā§‡āϰ gap, expiratory film āĻāϰ āĻšā§‡ā§Ÿā§‡ āĻŦ⧇āĻļāĻŋ āĻšāĻŦ⧇āĨ¤

AP view āĻ•āĻ–āύ āĻ•āϰ⧇?

  • in critically ill patients, especially in ICU. āϝāĻžāϰāĻž āύāĻŋāĻœā§‡āϰāĻž āωāϠ⧇ āĻĻāĻžā§œāĻžāχāϤ⧇ āĻĒāĻžāϰ⧇āύāĻžāĨ¤

AP āύāĻžāĻ•āĻŋ PA āĻŦ⧁āĻāĻŦā§‹ āϕ⧇āĻŽāύ⧇?

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PA vs AP
  • PA āϤ⧇ scapula wide apart, AP āϤ⧇ scapula āĻ•āĻžāĻ›āĻžāĻ•āĻžāĻ›āĻŋāĨ¤
  • PA āϤ⧇ trachea āĻāϰ āĻĒ⧇āĻ›āύ⧇ vertebra āĻāϰ spinous process āĻŦ⧁āĻāĻž āϝāĻžā§ŸāĨ¤ AP āϤ⧇ trachea āφāϰ spinous process āĻ…āϤ āĻ­āĻžāϞ āĻŦ⧁āĻāĻž āϝāĻžāĻŦ⧇āύāĻžāĨ¤
  • AP āϤ⧇ heart shadow āϤ⧂āϞāύāĻžāĻŽā§‚āϞāĻ•āĻ­āĻžāĻŦ⧇ PA āĻāϰ āĻšā§‡ā§Ÿā§‡ āĻŦ⧜āĨ¤ Relative cardiomegaly āĻŦāϞ⧇ āĻāχāϟāĻžāϕ⧇
  • PA āϤ⧇ posterior ribs āĻ­āĻžāϞ āĻŦ⧁āĻāĻž āϝāĻžāĻŦ⧇, AP āϤ⧇ anterior ribs āĻ­āĻžāϞ āĻŦ⧁āĻāĻž āϝāĻžāĻŦ⧇āĨ¤
  • PA āϤ⧇ clavicle āĻĨāĻžāĻ•āĻŦ⧇ lung field āĻāϰ āĻ­āĻŋāϤāϰ⧇, APāϤ⧇ clavicle āĻĨāĻžāĻ•āĻŦ⧇ above the lung apex.

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Scapula : Wide apart in PA view, āφāϰ AP view āϤ⧇ āĻāĻ•āĻĻāĻŽ āĻ—āĻžā§Ÿā§‡ āĻ˜ā§‡āώāĻž

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Clavicle : PA view āϤ⧇ āĻĨāĻžāϕ⧇ āϤ⧂āϞāύāĻžāĻŽā§‚āϞāĻ• āύāĻŋāĻšā§‡, lung field āĻāϰ āĻ­āĻŋāϤāϰ⧇āĨ¤ āφāϰ AP view āϤ⧇ āĻĨāĻžāĻ•āĻŦ⧇ lungs āĻāϰ apex āĻāϰ āωāĻĒāϰ⧇āĨ¤

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Trachea & Vertebra : PA āϤ⧇ āϝāϤ āĻ¸ā§āĻĒāĻˇā§āϟ āĻŦ⧁āĻāĻž āϝāĻžā§Ÿ AP view āϤ⧇ āϤāϤ āĻ¸ā§āĻĒāĻˇā§āϟ āĻŦ⧁āĻāĻž āϝāĻžā§Ÿ āύāĻžāĨ¤

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Heart Shadow : AP view āϤ⧇ comparatively āĻŦāĻĄāĻŧāĨ¤ Heart shadow āĻŽāĻžāĻĒāĻžāϰ āĻŦāĻž cardiomegaly āφāϛ⧇ āĻ•āĻŋāύāĻž āϏ⧇āϟāĻž āĻāĻ­āĻžāĻŦ⧇ āĻĻ⧇āϖ⧇āύāĻž, āĻ“āχāϟāĻž āĻĻ⧇āĻ–āĻžāϰ āφāϞāĻžāĻĻāĻž āĻĒāĻĻā§āϧāϤāĻŋ āφāϛ⧇, āϏ⧇āϟāĻž āύāĻŋā§Ÿā§‡ āĻĒāϰ⧇ āĻ•āĻĨāĻž āĻšāĻŦ⧇āĨ¤

Fissures : āϕ⧀ āĻāĻŦāĻ‚ āϕ⧇āύ?

āĻāĻŽāύāĻŋāϤ⧇ Right Lung āĻ āĻĻ⧁āχāϟāĻž fissure āφāϰ left lung āĻ āĻāĻ•āϟāĻž fissure.

Right Lung: Oblique Fissure, Horizontal Fissure

Left Lung: Oblique Fissure

āϤāĻŦ⧇ PA view āϤ⧇ āĻļ⧁āϧ⧁āĻŽāĻžāĻ¤ā§āϰ Horizontal fissure āϟāĻž āĻĻ⧇āĻ–āĻž āϝāĻžā§ŸāĨ¤ usually Right hilum āĻĨ⧇āϕ⧇ 6th rib āĻĒāĻ°ā§āϝāĻ¨ā§āϤ
Oblique fissure āĻĻ⧇āĻ–āĻž āϝāĻžā§Ÿ lateral view āϤ⧇. Horizontal Fissure āĻ•āĻ–āύ⧋āχ lateral view āϤ⧇ āĻĻ⧇āĻ–āĻž āϝāĻžā§Ÿ āύāĻžāĨ¤

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Horizontal fissure on PA view

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Oblique Fissure on lateral view

1% āϞ⧋āϕ⧇āϰ PA view āϤ⧇ Azygous lobe fissure āĻĨāĻžāϕ⧇āĨ¤ āĻāχāϟāĻž āύāĻŋā§Ÿā§‡ āĻāϤ āĻĒā§āϝāĻžāϰāĻž āύ⧇āĻ“ā§ŸāĻžāϰ āĻ•āĻŋāϛ⧁ āύāĻžāχ, āĻ•ā§āϞāĻŋāύāĻŋāĻ•ā§āϝāĻžāϞāĻŋ āĻāχāϟāĻžāϰ āϕ⧋āύ āϏāĻŋāĻ—āύāĻŋāĻĢāĻŋāϕ⧇āĻ¨ā§āϏ āύāĻžāχāĨ¤

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Radiological Zone of Lung:

Radiologically lung āϕ⧇ āϤāĻŋāύāϟāĻž zone āĻ āĻ­āĻžāĻ— āĻ•āϰāĻž āϝāĻžāϝāĻŧāĨ¤

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  • Upper Zone : from apices to lower border of 2nd rib anteriorly.
  • Middle zone : from the lower border of 2nd rib anteriorly to lower border of 4th rib anteriorly.
  • Lower zone : from the lower border of 4th rib anteriorly to lung bases.

Zone āĻāϰ āĻĻāϰāĻ•āĻžāϰ āĻ•āĻŋ? Zone āĻāχ āϜāĻ¨ā§āϝ⧇ āĻĻāϰāĻ•āĻžāϰ⧀ āϝ⧇ āϝāĻ–āύ āφāĻŽāϰāĻž āϕ⧋āύ finding āĻĒāĻžāĻŦ āϤāĻ–āύ āĻŦāϞ⧇ āĻĻāĻŋāĻŦā§‹ lesion āϟāĻž āϕ⧋āĻĨāĻžā§Ÿ āφāϛ⧇āĨ¤ āϝ⧇āĻŽāύ:

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āĻĒāĻžāĻļ⧇āϰ āĻ›āĻŦāĻŋāϤ⧇ āĻĻ⧇āĻ–ā§‹, āϏāĻžāĻĻāĻžāĻŽāϤ āĻ•āĻŋ āϝ⧇āύ āĻāĻ•āϟāĻž āĻĻ⧇āĻ–āĻž āϝāĻžā§Ÿ left lung āĻāϰ āωāĻĒāϰ⧇āϰ āĻĻāĻŋāϕ⧇, arrow āϚāĻŋāĻšā§āύ āĻĻāĻŋā§Ÿā§‡ āĻĻ⧇āĻ–āĻžāύ⧋āĨ¤ āĻāχ āĻ›āĻŦāĻŋāϰ āĻ•ā§āώ⧇āĻ¤ā§āϰ⧇ āφāĻŽāϰāĻž āĻŦāϞāĻŦā§‹- There is a solitary pulmonary nodule in upper zone of left lung.

āĻ­ā§Ÿā§‡āϰ āĻ•āĻŋāϛ⧁ āύāĻžāχ , Solitary pulmonary nodule āĻ•āĻŋ āϜāĻŋāύāĻŋāϏ āϏ⧇āχāϟāĻž āύāĻŋā§Ÿā§‡ āφāĻĒāĻžāϤāϤ āĻŽāĻžāĻĨāĻž āύāĻž āϘāĻžāĻŽāĻžāϞ⧇āĻ“ āϚāϞāĻŦ⧇āĨ¤ 😁

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