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Table 4
| DOPPLER, HEMODYNAMICS | Units | Formulas |
|---|---|---|
| HR | 60.000 / RR (msec) | |
| Pressure adjusted heart rate | (HR x RAPe) / MAP | |
| MAP | mmHg | DBP + [(SBP – DBP) /3] |
| Double product | SBP x HR | |
| Coronary perfusion pressure | mmHg | DBP – LAP |
| LAP (mid-systole) | mmHg | SBP – [4 x (MR Vp)2] |
| LVEDP [Choi 2010] | mmHg | 4.9 + (0.62 x E/e’ ratio) |
| Shock index | HR / SBP | |
| SV | ml | (π / 4) x LVOT VTI x (LVOT diameter)² |
| SVI | ml/m2 | SV / BSA |
| CO | ml/min | SV x HR |
| CI | ml/min/m2 | CO / BSA |
| Mean systolic ejection rate | SVI / LVET | |
| Cardiac power output | W | (CO x MAP) / 451 |
| Cardiac power index | W / m2 | (CI x MAP) / 451 |
| SVR | dynes x sec / cm5 | 80 x [(MAP – RAP) / CO] |
| SVR index | dynes x sec / cm5 x m2 | SVR / BSA |
| LV stroke work | g x min | 0.0136 x [SV x (MAP – LVEDP)] |
| LV stroke work index | g x min / m2 | {0.0136 x [SV x (MAP – LVEDP)]} / BSA |
| PSP | mmHg | [(TV PRVel)2 x 4] + RAPe |
| PDP | mmHg | [(PRedv)2 x 4] + RAPe |
| PMP | mmHg | PDP + [(PSP – PDP) /3] |
| PVR | WU | (TV PRVel / RVOT VTI) x 10 |
| PVR | dynes x sec x cm-5 | 80 x (PMP – PLAP) / CO |