CARDIOGENIC SHOCK
Cardiogenic shock may occur with any disease that
causes direct myocardial damage or otherwise inhibits
the cardiac contractile mechanism.
Right-heart catheterisation will reveal a high CVP, PAoP (greater
than 18 mmHg), and peripheral resistance; and a low
cardiac output (cardiac index less than 2.2 L/min/m2
)
and mixed venous oxygen content. A model
characterising the haemodynamic effects of cardiogenic
shock is shown in figure 3.