Download WELFARE, and abuse - LSU School of Medicine

Lobar Pneumonia (needs antibiotics) or Atelectasis
Silhouette Sign
Atelectasis
Means Airlessness
Usually associated
with volume loss
Secondary to
– mucus plugging
(Asthma),
– Foreign Body
– Endo-Bronchial lesion
-less likely-
Pleural Effusion
Air Bronchogram
Interstitial and Alveolar (left upper lobe)
Miliary TB
6 RULES
1. Both Lungs are the Same Color
2. Both Sides of the Heart are the Same Color
3. Look Behind the Heart, behind the Thymus,
and below the Diaphragm
4. 2 Good Diaphragms on the AP view
5. 2 Good Diaphragms on the Lateral view
6. Spine should get Darker as it gets closer to
the Diaphragm on the Lateral View
Rule 1 & 2
Both Lungs are the
Same Color (Same
Attenuation)
Both Sides of the
Heart are the Same
Color (Attenuation)
Rule 3 & 4
Look Behind the
Heart, behind the
Thymus, and below
the Diaphragm
2 Good Diaphragms
on the AP view
Rule 5 and 6
LATERAL VIEW
Needs to have 2
good Diaphragms
on Lateral View
Spine should get
Darker (not whiter,
as with this
pneumonia) on
Lateral View as it
gets towards the
diaphragm.