Pseudoaneurysms of the foot are rare and can occur from a range of etiologies, including laceration from a foreign body.

The majority of reported cases have been diagnosed by computed tomography, magnetic resonance imaging, or angiography.

These tests require intravenous access and contrast, confer radiation, take time to perform and interpret, are expensive, and are not always readily available in the acute setting. No prior reported pseudoaneurysms of the foot have been diagnosed by point-of-care ultrasound (POCUS).

Incision of a pseudoaneurysm in the sole of the foot—thought to be an abscess based on clinical examination—would lead to unforeseen arterial bleeding.

POCUS at the bedside can differentiate between simple abscess and pseudoaneurysm in order to guide appropriate and time-sensitive management.

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