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Table 3 Rest and stress data

From: Diastolic time – frequency relation in the stress echo lab: filling timing and flow at different heart rates

 

EXERCISE

 

DIP

 

PACING

Pt n°

115

 

40

 

6

Age (years)

57 ± 14

Δ

66 ± 11

 

68 ± 10

Gender (M/F)

78/37

 

24/16

 

4/2

Standard measurements

     

HR rest (bpm)

71 ± 14

 

66 ± 12

 

71 ± 10

HR peak (bpm)

128 ± 22

Δ

84 ± 14

*

132 ± 13

LV EF % rest

59 ± 12

 

61 ± 10

 

51 ± 11

WMSI rest

1.15 ± 0.33

 

1.10 ± 0.22

 

1.28 ± 0.46

WMSI peak

1.15 ± 0.34

 

1.11 ± 0.22

 

1.42 ± 0.46

SBP rest (mmHg)

132 ± 20

 

136 ± 22

 

133 ± 20

SBP peak (mmHg)

188 ± 24

§

130 ± 28

 

137 ± 37

DBP rest (mmHg)

73 ± 10

 

71 ± 13

 

74 ± 11

DBP peak (mmHg)

93 ± 12

§

68 ± 14

 

75 ± 15

Sensor recorded times

     

Systolic time rest (msec)

315 ± 45

Δ

348 ± 36

 

315 ± 53

Systolic time peak (mesc)

236 ± 40

Δ

338 ± 43

*

249 ± 38

Diastolic time rest (msec)

541 ± 143

Δ

651 ± 146

 

600 ± 108

Diastolic time peak (msec)

250 ± 59

Δ

387 ± 98

*

211 ± 48

Systolic/diastolic time rest (ratio)

0.61 ± 0.14

 

0.56 ± 0.11

 

0.53 ± 0.08

Systolic/diastolic time peak (ratio)

0.98 ± 0.21

Δ

0.92 ± 0.20

*

1.25 ± 0.39

  1. §= significant differences between exercise and both dipyridamole and pacing stress pts; * = significant differences between dipyridamole and pacing stress pts; Δ = significant differences between exercise and dipyridamole stress pts.