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Updated: Jun 22, 2026

Block Building Task Identifies Distinct Groups of Left/Right-hand Choice Patterns After Unilateral Peripheral Nerve Injury
Published on: March 21, 2025
[A 35-year old bricklayer with malperfusion of the left hand]
A Rosemann1, O Senn, T Rosemann
1Institut für Hausarztmedizin, Universitätsspital Zürich, Zürich.
Abstract:
A 35-year old man with coldness, paleness, numbness, and pain at Dig. IV of the left hand comes to the consultation. The Allen test is pathological, the angiography shows an occlusion at the length of 4 cm of the Arteria ulnaris beginning at the Hamulus ossis hamati. After therapy with prostaglandin E1, aspirin 100 mg for 10 days and a smoking stop, the symptom disappeared at the re-consultation after 10 days.
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