Table 1.
Baseline | Embolism 1 | Embolism 2 | Embolism 3 | |
---|---|---|---|---|
Heart rate, bpm | 90 ± 8 | 122 ± 8a | 135 ± 9a | 148 ± 8ab |
CO, L/min/m2 | 4.1 ± 0.1 | 3.3 ± 0.4a | 2.7 ± 0.3a | 1.7 ± 0.3abc |
Psa, mmHg | 110 ± 10 | 119 ± 11 | 106 ± 8 | 88 ± 8abc |
Ppa, mmHg | 18 ± 2 | 31 ± 3a | 39 ± 3ab | 47 ± 4abc |
Pra, mmHg | 7 ± 1 | 7 ± 1 | 9 ± 2ab | 10 ± 1ab |
Ppao, mmHg | 7 ± 1 | 7 ± 1 | 11 ± 1ab | 12 ± 1ab |
Zo, dyn·s·cm−5·m2 | 530 ± 45 | 1704 ± 244a | 2268 ± 190ab | 3498 ± 208abc |
Zc, dyn·s·cm−5·m2 | 92 ± 13 | 265 ± 30a | 297 ± 59a | 416 ± 43abc |
F min, Hz | 3.40 ± 0.25 | 4.90 ± 0.50a | 4.88 ± 0.71 | 4.92 ± 0.53a |
Ph1, rad | −0.32 ± 0.03 | −0.57 ± 0.08a | −0.55 ± 0.09a | −0.65 ± 0.10a |
Ees, mmHg/mL | 1.82 ± 0.10 | 2.70 ± 0.06a | 2.28 ± 0.42a | 1.20 ± 0.23abc |
Ea, mmHg/mL | 1.08 ± 0.15 | 3.15 ± 0.13a | 4.22 ± 0.40ab | 5.62 ± 0.32abc |
Ees/Ea | 1.69 ± 0.15 | 0.86 ± 0.28a | 0.54 ± 0.25a | 0.21 ± 0.07abc |
SV, mL | 41 ± 3 | 27 ± 2a | 18 ± 2ab | 12 ± 3abc |
Values are means ± SE (n = 10). CO: cardiac output; Psa: systemic arterial pressure; Ppa: pulmonary arterial pressure; Pra: right atrial pressure; Ppao: occluded Ppa; Zo: 0-Hz impedance; Zc: characteristic impedance; Ees: end-systolic elastance; Ea: arterial elastance. a P < .05 versus baseline; b P < .05 versus embolism 1; c P < .05 versus embolism 2.