1. Preface

   • Jim McCormack
   • Mark Boyett
   • Clive Orchard

   EditorialNotes Pages: 95 - 95

2. Sodium-calcium exchange in mammalian heart: current-voltage relation and intracellular calcium concentration

   • W. G. Wier
   • D. J. Beuckelmann

   Invited Paper Pages: 97 - 102

3. Calcium movements during each heart beat

   • Trevor Powell
   • Denis Noble

   Invited Paper Pages: 103 - 108

4. The control of calcium influx by cytoplasmic calcium in mammalian heart muscle

   • Mark Stephen Kirby
   • Clive Orchard
   • Mark Richard Boyett

   Invited Paper Pages: 109 - 113

5. Excitation-contraction coupling in heart muscle

   • W. J. Lederer
   • M. B. Cannell
   • J. R. Berlin

   Invited Paper Pages: 115 - 119

6. The role of Ca²⁺ ions in the regulation of intramitochondrial metabolism and energy production in rat heart

   • James G. McCormack
   • Richard M. Denton

   Invited Paper Pages: 121 - 125

7. The contribution of mitochondrial calcium ion exchange to relaxation of tension in cardiac muscle

   • C. H. Fry
   • D. J. Miller
   • S. M. Harrison

   Invited Paper Pages: 127 - 133

8. Appraisal of the physiological relevance of two hypotheses for the mechanism of calcium release from the mammalian cardiac sarcoplasmic reticulum: calcium-induced release versus charge-coupled release

   • Alexandre Fabiato

   Invited Paper Pages: 135 - 140

9. Voltage dependence of transient and steady-state Na/K pump currents in myocytes

   • David C. Gadsby
   • Masakazu Nakao
   • Anthony Bahinski

   Invited Paper Pages: 141 - 146

10. Interaction of (Na + K + 2 Cl) cotransport and the Na/K pump in cultured chick cardiac myocytes

    • Shi Liu
    • Ron Jacob
    • Melvyn Lieberman

    Invited Paper Pages: 147 - 150

11. Regulation of intracellular pH in the myocardium; relevance to pathology

    • Philip A. Poole-Wilson

    Invited Paper Pages: 151 - 155

12. Sodium-hydrogen exchange and its role in controlling contractility during acidosis in cardiac muscle

    • R. D. Vaughan-Jones
    • Mei-Lin Wu
    • C. Bountral

    Invited Paper Pages: 157 - 162

13. Ca²⁺, pH and the regulation of cardiac myofilament force and ATPase activity

    • R. John Solaro
    • Saleh C. El-Salehl
    • Jon C. Kentish

    Invited Paper Pages: 163 - 167

14. The effect of acidosis on excitation-contraction coupling in isolated ferret heart muscle

    • Clive Orchard

    Invited Paper Pages: 169 - 173

15. Protein phosphorylation and compartments of cyclic AMP in the control of cardiac contraction

    • Kenneth J. Murray
    • Martin L. Reeves
    • Paul J. England

    Invited Paper Pages: 175 - 179

16. Transient changes in cyclic AMP and in the enzymic activity of protein kinase and phosphorylase during the cardiac cycle in the canine myocardium and the effect of propranolol

    • Ernst-Georg Krause
    • Sabine Bartel
    • Dankwart Obst

    Invited Paper Pages: 181 - 186

17. Second messengers involved in the muscarinic control of the heart: the role of the phosphoinositide response

    • John N. Hawthorne
    • Sandra H. Simmonds

    Invited Paper Pages: 187 - 189

18. Control of mitochondrial respiration in the heart in vivo

    • R. S. Balaban
    • F. W. Heineman

    Invited Paper Pages: 191 - 197

19. The effects of metabolic inhibition on intracellular pH and Ca

    • S. C. O'Neill
    • M. Valdeolmillos
    • D. A. Eisner

    Invited Paper Pages: 199 - 203