Blood in the peritoneal cavity in a trauma patient can be seen on ultrasound if the volume of the blood is significant for a particular potential space. Blood in the peritoneal cavity can appear _________________ on ultrasound.
Which is the best answer?
A. Anechoic
B. Anechoic or hypoechoic
C. Anechoic, hypoechoic, or hyperechoic
Explanation
Typically, the blood within the peritoneal cavity will appear anechoic. However, it may also appear hypoechoic or hyperechoic in some instances. So, examine carefully and do not miss evidence of fluid in the peritoneal cavity. Always correlate clinically. When in doubt, order a CT scan if the patient is hemodynamically stable. If that option is not available, then perform serial ultrasound scans and monitor patient’s vitals closely at short intervals.
References
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