$P_{delivered} = P_{resistive} + P_{elastic}$
$P_{aw} = \dot VR + \frac{V_t}{C} + PEEP_{total} + P_{musc}$
$TPG = mPAP - PCWP$
$SVR =\frac{MAP-CVP}{CO}\cdot80$
$CO = LVOT_{area}\cdot LVOT_{VTI}\cdot HR$
$CO = \frac{VO_{2}}{C_a - C_v}$, where $C_v = ScvO_2$ (mixed venous oxygen content)