1. Some comments on ventricular afterload

   • T. Kenner

   Editorial Pages: 209 - 215

2. Mean outflow resistance as a marker of left ventricular afterload

   • J. Timisjärvi
   • R. Kettunen
   • P. Rämö

   Original Contributions Pages: 216 - 225

3. Cardiovascular response to sudden strenuous exercise

   • H. W. Duncan
   • R. J. Barnard
   • G. D. Buckberg

   Original Contributions Pages: 226 - 232

4. Calcium repletion-induced arrhythmias after short periods of calcium-free perfusion in the isolated rat heart

   • W. H. van Gilst
   • J. M. Koomen

   Original Contributions Pages: 233 - 240

5. Ouabain arrhythmogenicity in hypertrophied right and left ventricle of the rat

   • D. Kentera
   • D. Sušić
   • M. Zdravkovic

   Original Contributions Pages: 241 - 245

6. Binding of diltiazem and verapamil to isolated rat heart mitochondria

   • J. Rafael
   • J. Patzelt

   Original Contributions Pages: 246 - 251

7. Characteristics of lysosomal phosphomannosyl-enzyme receptors in the rat heart

   • V. S. Marjomäki
   • A. Salminen

   Original Contributions Pages: 252 - 260

8. Independent mechanisms for the chronotropic and inotropic responses in hyperthyroidism

   • R. H. Marcus
   • N. Butkow
   • C. Rosendorff

   Original Contributions Pages: 261 - 270

9. Alterations in heart and serum lysosomal activities in streptozotocin-induced diabetes

   • M. J. Kutryk
   • G. N. Pierce
   • N. S. Dhalla

   Original Contributions Pages: 271 - 278

10. Effects of the calcium antagonist gallopamil on the increase of myocardial extracellular potassium activity during LAD occlusion in dogs

    • M. Budden
    • M. Kirchengast
    • W. Meesmann

    Original Contributions Pages: 279 - 289

11. Maturation of coronary responsiveness to exogenous adenosine in the rabbit

    • D. D. Buss
    • W. W. Hennemann III
    • P. Posner

    Original Contributions Pages: 290 - 296

12. Inhibition of contractility during the early phase of total ischaemia in the working heart. Recovery during reperfusion

    • C. M. L. Steinmann
    • A. Lochner
    • R. A. Niesler

    Original Contributions Pages: 297 - 303

13. Critical early metabolic changes associated with myocardial recovery or failure after total ischaemia in the rat heart

    • S. M. Humphrey
    • L. A. Cartner
    • D. G. Holliss

    Original Contributions Pages: 304 - 316

14. A place for theoretical cardiology

    • J. Schaefer
    • R. K. Lie
    • D. T. Yue

    Letter to the Editors Pages: 317 - 318