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X-Ray Rounds Chris McCrossin.

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Presentation on theme: "X-Ray Rounds Chris McCrossin."— Presentation transcript:

1 X-Ray Rounds Chris McCrossin

2 Presentation 45 y/o M presents with progressive SOB over past week
RR now 60!! T 38.9, HR 130, BP 120/80 Can’t get much of a history because he’s too SOB to talk You order a stat portable CXR

3 What’s your differential?
What’s your diagnosis? What do you want to do now?


5 Diagnosis Now?

6 Principles of Pleural Effusions & CXR’s
Effusions when free-flowing follow the force of gravity and accumulate in the most dependent parts of the thoracic cavity Lungs recoil proportionately when they collapse secondary to elastic recoil and maintains its original shape. The lung floats on the fluid Fluid layers evenly anterior to posterior in an upright position

7 CXR Features of Subpulmonic Effusions
Up to 1 liter can be present without blunting of the diaphragms Elevated hemidiaphragm peaks more laterally than expected with a steep lateral slope Pulmonary vessels are not clearly visible below the surface of the hemidiaphragm on lateral projection A lateral decubitus view will show free flowing pleural fluid parallel to the xray table



10 Differential diagnosis: Pneumonia, atelectasis, subphrenic abscess, hepatic abscess, hepatomegaly, large renal masses and ascites

11 Pleural effusion appearance depends on the patient’s position
Typically see a meniscus with blunting of the costo-phrenic angle

12 Patient Outcome ICU Called Taken to the unit
Small chest tube inserted in R thorax Drained > 1 liter of frank pus RR 30 min post chest tube: 16 bpm

13 Take-Home Points Pleural effusions and subpulmonic effusions/abscess can look very different Both can be confused as infiltrates or atelectasis When you have a patient who is in extremis and you suspect a infiltrative process in the lungs, ask yourself if there is something you can possibly drain, consider a lateral decubitus if you are uncertain

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