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Southwest Pulmonary and Critical Care Fellowships
Friday
Dec042015

Ultrasound for Critical Care Physicians: The Pleura and the Answers that Lie Within

Heidi L. Erickson MD 

Division of Pulmonary, Critical Care and Occupational Medicine

University of Iowa Hospitals and Clinics

Iowa City, IA

A 67-year-old woman with a 40-pack-year smoking history was admitted to the intensive care unit with acute respiratory failure secondary to adult respiratory distress syndrome (ARDS) in the setting of pneumococcal bacteremia. On admission, she required endotracheal intubation and vasopressor support.  She was ventilated using a low tidal volume strategy and was relatively easy to oxygenate with a PEEP of 5 and 40% FiO2. After 48 hours of clinical improvement, the patient developed sudden onset tachypnea and increased peak and plateau airway pressures. A bedside ultrasound was subsequently performed (Figures 1 and 2).

 

Figure 1. Two- dimensional ultrasound image of the right lung with associated M-mode image.

 

Figure 2. Two- dimensional ultrasound image of the left lung with associated M-mode image.

What is the cause of this patient’s acute respiratory decompensation and increased airway pressures? (Click on the correct answer for an explanation)

  1. Pericardial effusion
  2. Pneumothorax
  3. Pulmonary edema
  4. Pulmonary embolism

Cite as: Erickson HL. Ultrasound for critical care physicians: the pleura and the answers that lie within. Southwest J Pulm Crit Care. 2015;11(6):260-3. doi: http://dx.doi.org/10.13175/swjpcc149-15 PDF

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