Table 2

Occurrence and frequency of spontaneous ventilatory activity during untreated VF

VF time

Occurrence

Frequency

(min)

n/N

%

Mean (SD)

Median

1

61/61

100%

10.3 (4.4)

10

2

33/61

54%

1.4 (1.8)

1

3

50/61

82%

2.6 (1.8)

3

4

30/46

65%

1.8 (1.7)

2

5

7/31

23%

0.7 (1.6)

0

6

0/16

0%

0 (0)

0

n = number of animals experiencing gasping. N = total number of animals in the respective VF time group. Frequency = number of spontaneous ventilations or gasps per minute.

Zuercher et al. BMC Cardiovascular Disorders 2010 10:36   doi:10.1186/1471-2261-10-36