What injury occurs when there is compression of the chest with forced retrograde blood flow and engorgement of the blood vessels in the upper chest neck and head?

After investigators have left a fire scene, what is required for them to re-enter the site?

a. a warrant b. any legitimate need for the visit c. authorization of the chief fire official d. accompaniment by a law enforcement official

You are transporting a male patient with a deep stab wound to the groin, with damage also noted to the genitalia following an assault by his girlfriend. The patient is alert and oriented, albeit restless. Vital signs on scene were pulse, 128 beats/min; respirations, 20 breaths/min; blood pressure, 108/64 mmHg; and SpO2, 92%. Oxygen is being administered via nasal cannula. Upon reassessment, which sign would be most concerning to the EMT?

A) Patient's urge to void B) Blood pressure is now 106/88 mmHg C) SpO2 stabilizing at 96% despite O2 therapy D) Heart rate of 132 beats/min