Diagnosis of an actively bleeding brachial artery hematoma by contrast-enhanced ultrasound: A case report

Figure 3 Findings of contrast-enhanced ultrasound. A: Microbubbles were first detected at 13 s emerging from the brachial artery into the hematoma; B-D: Microbubbles diffused into the hematoma with the local surge of red blood cells; E: Microbubbles disappeared after approximately 23 s.