Table 1 BW, HR and various myocardial parameters were calculated with QGS software (mean ± SD, n = 5–6).

From: Serial examination of cardiac function and perfusion in growing rats using SPECT/CT for small animals

Age (weeks)

BW (g)

HR (bpm)

EDV (μL)

ESV (μL)

SV (μL)

EF (%)

8

233 ± 2

378 ± 39

316 ± 26

114 ± 8

202 ± 21

64.0 ± 2.2

9

276 ± 7

410 ± 18

349 ± 24

131 ± 11

218 ± 21

62.3 ± 3.1

10

312 ± 9

406 ± 24

393 ± 16

145 ± 20

248 ± 10

63.2 ± 3.8

12

358 ± 12

399 ± 23

434 ± 37

168 ± 17

266 ± 24

61.3 ± 2.1

16

415 ± 15

409 ± 16

479 ± 35

203 ± 14

276 ± 25

57.7 ± 1.8

21

450 ± 15

391 ± 20

530 ± 52

240 ± 21

290 ± 43

54.3 ± 4.1

25

471 ± 18

377 ± 14

497 ± 51

221 ± 35

277 ± 26

55.8 ± 3.7

28

492 ± 19

396 ± 22

503 ± 43

227 ± 11

276 ± 35

54.8 ± 2.7

  1. BW, body weight; HR, heart rate; EDV, left ventricular end-diastolic volume; ESV, left ventricular end-systolic volume; SV, stroke volume; EF, ejection fraction.