Emergency Care and Transportation of the Sick and Injured ...

2. Bleeding into thoracic cavity increases chance of hypovolemia and hypoxia. 3. Increased intrapleural pressures: a. Decrease lung volume and oxygenation. b. Impair heart’s pumping ability. 4. Blood in the pericardial sac compresses the heart. 5. Damage to myocardial valve may disrupt ventricular filling, causing backflow into the atria. 6. ................
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