Mallet Finger Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP joint needs to be clinically assessed. Here's a quick summary. • Finger deformity caused by disruption (may be bony or tendinous) of the terminal extensor tendon distal to the DIP joint • Mechanism: Hyperflexion injury with axial load (ball striking fingertip) • Exam: Swollen and tender DIP joint that is fixed in flexion due to inability to extend • Possible associated injuries: Avulsion fracture • ED Management: Pain control, immobilize • Splint: Extension splint of DIP joint, maintain free movement of PIP joint • Ortho consult: No • Disposition: Discharge with orthpedic follow-up within 1 week MH/CCF/CWRU EM Res @MetroHealth_EM #Mallet #Finger #Radiology #XRay #Diagnosis #Management #Hand #Orthopedics #MSK