Scaphoid Fractures : Rule of 70s

Scaphoid mnemonic

70% of blood supply of scaphoid is by dorsal branch of radial artery

70% of scaphoid bones have arterial foramina through out their length

70% of carpal fractures are scaphoid fractures

70% of scaphoid fractures occur through the waist

70% of scaphoid fractures are detected on initial radiographs

70% proximal scaphoid fractures unite

70% unstable scaphoid fractures unite

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