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People with femoral and pelvic fractures can lose 50–75% of their blood volume at the fracture site, respectively (Coccolini et al. 2017). In dogs and cats, this is uncommon but does occur and should be considered in anemic cases in which the source of the large volume of blood loss is inapparent (Lisciandro 2012). Importantly, FAST has been shown to perform poorly for detecting intrapelvic bleeding and the AFAST sonographer should consider this limitation. Through an understanding of ultrasound and imaging of soft and hard musculoskeletal tissues, however, it seems possible that large blood clots and hemorrhage could potentially be detected at fracture sites through the combined use of B‐mode and color flow Doppler (see Chapters 34 and 35).