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Anatomy

A 27-year-old male billiards player received a small-caliber bullet wound to the chest in the region of the third intercostal space, several centimeters to the left of the sternum. The patient is admitted to the emergency department and a preliminary notation of "Beck's triad" is entered on the patient's chart. Which of the following are features of this triad?

There was injury to the left pulmonary artery, left primary bronchus, and esophagus.

The patient has bleeding into the pleural cavity, a collapsed lung, and mediastinal shift to the right side of the thorax.

The patient has a small, quiet heart; decreased pulse pressure; and increased central venous pressure.

The young man is suffering from marked diastolic emptying, dyspnea, and dilation of the aortic arch.

Questions

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