...Cornelius KEYL; Martin DAMBACHER; Annette SCHNEIDER; Claudio PASSINO; Ulrike WEGENHORST; Luciano BERNARDI The question of whether respiratory sinus arrhythmia (RSA) originates mainly from a central coupling between respiration and heart rate, or from baroreflex mechanisms, is a subject...

... The Biochemical Society and the Medical Research Society © 1999 1999 autonomic nervous system blood pressure children heart rate pacemaker, pulse rate respiration variability velocity 391Clinical Science (1999) 97, 391 397 (Printed in Great Britain) Pulse rate variability is not a surrogate...

... words: adenosine, dipyridamole, hypoxia, respiration, theophylline. Abbreviations: (dP/dt maximum rate of isometric inspiratory pressure development at the mouth; Pco,, partial pressure of carbon dioxide; Sao,, haemoglobin Correspondence: Dr T. L. Griffiths, Medicine 1, Level D, Centre Block...

... endarterectomy hypoxia respiration Clinical Science ( 1 990) 78,25-3 1 25 Ventilatory effects of hypoxia and adenosine infusion in patients after bilateral carotid endarterectomy T. L. GRIFFITHS, S. J. WARREN, A. D. B. CHANT* AND S. T. HOLGATE Department of Medicine I, University of Southampton...

... Society 1989 cardiac output pulmonary circulation respiration Clinical Science (1989) 76,673-676 673 Single-breath breath-holding estimate of pulmonary blood flow in man: comparison with direct Fick cardiac output A. H. KENDRICK, A. ROZKOVEC, M. PAPOUCHADO, J. WEST AND G. LASZLO Respiratory...

...J. M. Patrick; Zoë Gibson; S. P. Hanley 1. Sufficient isolated extrasystoles were recorded during a period of quiet breathing in nine patients to test the null hypothesis that there is no within-breath influence of respiration on the triggering of extrasystoles. 2. In five patients a highly...

...J. M. Patrick; Janice Tutty; S. B. Pearson 1. The effect on respiration of a single dose of propranolol has been studied in normal subjects. 2. The degree of β-adrenoreceptor blockade was assessed in terms of the impaired heart-rate response to progressive exercise and the plasma propranolol...

... imminent failure of the hyperventilatory response. Key words : acidaemia, acidosis, respiration, venti- lation. Introduction Metabolic acidosis increases alveolar ventilation Correspondence: Dr Milford Fulop, Department of Medicine, Jacobi Hospital, Pelham Parkway South and Eastchcster Road, Bronx, New...

... Society 1976 anoxaemia chemoreceptors liver cirrhosis liver disease respiration respiratory centre Clinical Science and Molecular Medicine (1976) SO, 25-35. Effect of liver failure on the ventilatory response to hypoxia in man and the goat N. N. STANLEY, S. G. KELSEN AND N. S. CHERNIACK...

... increases in direct proportion to the increased blood hydrogen ion activity. Key words : acidosis, diabetic acidosis, ketosis, respiration, ventilation. Metabolic acidosis causes hyperventilation which lowers alveolar carbon dioxide tension. The resulting decrease of arterial carbon dioxide tension (Pa,co...