Blood hammer

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The blood hammer phenomenon is a sudden increase of the upstream blood pressure in a blood vessel (especially artery or arteriole) when the bloodstream is abruptly blocked by vessel obstruction. The term "blood-hammer" was introduced in cerebral hemodynamics [1] by analogy with the hydraulic expression "water hammer," already used in vascular physiology to designate an arterial pulse variety, the "water-hammer pulse."


  1. ^ Damsa T. et al. (1976). ""Blood-hammer" phenomenon in cerebral hemodynamics". Mathematical Biosciences 29 (3–4): 193–202. 


  • Shrivastava, G. S. (2004). Fluid Mechanics and the Undergraduate Civil Engineer, J. Hydr. Engrg., 130(10):953-956