Table 1

Determinants of myocardial oxygen consumption (MV̇o2)

1 is immutable at least acutely; 2 and 3 can be manipulated for therapeutic benefit; 4 cannot be used therapeutically (see text).
1Myocardial mass
2Myocardial work
    –heart rate
    –blood pressure
3Pre-contraction tension
  –left ventricle size
4Inotropic status