Info

Test

Normal Result

Condition

Explanation

Chest x-ray

Air-filled lungs

Opacity at the area of bleeding and lung collapse; blunted costophrenic angle; may show widening of mediastinum and intercostal spaces with depressed diaphragm

Determines the location and extent of lung collapse and fluid accumulation

Complete

Red blood cells (RBCs):

Decreased values reflective of

Determines the extent of

blood count

4.0-6.2 million/pL; hemoglobin: 12-18 g/dL; hematocrit: 37%-54%; white blood cells: 4500-11,000/pL; platelets:

150,000-400,000/pL

the degree of hemorrhage

blood loss: note that it takes 2 hr for hemorrhage to be reflected in a dropping hemoglobin and hematocrit after injury

Computed

Air-filled lungs with

Localized collection of blood

Determines the location and

tomography

normal lung structure

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