You are managing an unresponsive 50-year-old female patient who was in a car-versus-tree motor vehicle crash. She is in the driver's seat wearing a chest strap but no waist belt. Her pulse rate is 134 beats/min, her respiratory rate is 36 breaths/min, and her blood pressure is 76/52 mm Hg. The imprint of her seat belt is clearly defined across her chest and abdomen, and her abdomen is rigid and bruising. You suspect that your patient may have:
A) c. A tension pneumothorax
B) d. Ruptured a blood vessel
C) a. A cardiac tamponade
D) b. A ruptured spleen
Answer: B