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Trauma
intermediate
X-Type

Pelvic Ring Injuries

Pelvic Trauma

A 28-year-old motorcyclist is brought to the emergency department after a high-speed collision. He is hypotensive (BP 85/50 mmHg) with a heart rate of 125 bpm. Physical examination reveals pelvic instability with lateral compression on manual testing. Pelvic radiograph shows widening of the pubic symphysis to 4 cm and left sacroiliac joint disruption. Regarding pelvic ring injuries:

Mark each as TRUE or FALSE

A

The Young-Burgess classification categorizes pelvic ring injuries by mechanism: lateral compression ...

B

Hemorrhage is the leading cause of death in pelvic ring injuries; sources include the presacral veno...

C

External rotation force (APC mechanism) closes the pelvic ring and causes sacral compression fractur...

D

Pubic symphysis diastasis greater than 2.5 cm indicates disruption of the anterior sacroiliac ligame...

E

Morel-Lavallée lesions are closed degloving injuries occurring over the greater trochanter or latera...

Answer the questions to see explanations

Click T (True) or F (False) for each option