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Effect of sudden reductions of the arterial blood pressure on the mean diastolic coronary resistance

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Summary

At the beginning of a 10 sec arterial haemorrhage, vascular elasticity induces an increase of mean diastolic coronary resistance. Then, the increase is counteracted by the relaxation of the vascular musculature, which causes a coronary hyperaemia when, after the haemorrhage is arrested, the vascular wall is stretched by a sudden though slight increase of blood pressure.

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Authors and Affiliations

  1. Department of Human Physiology, University of Turin, Corso Raffaello 30, I-10126, Torino, Italy

    D. Gattulo, G. Losano, O. Pinotti & G. Vacca

Authors
  1. D. Gattulo
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  2. G. Losano
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  3. O. Pinotti
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  4. G. Vacca
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Additional information

Acknowledgment. The authors wish to thank Mr Rodolfo Dalla Valle for his technical assistance.

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Gattulo, D., Losano, G., Pinotti, O. et al. Effect of sudden reductions of the arterial blood pressure on the mean diastolic coronary resistance. Experientia 37, 488–489 (1981). https://doi.org/10.1007/BF01986153

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