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Table 1

From: Treadmill exercise stress cardiac MRI for the assessment of left ventricular wall motion: a comparison with stress echocardiography in healthy volunteers

 

Stress echocardiography

Stress CMR

p Value*

Resting Variables

   

HR, bpm

73 ± 12

74 ± 13

0.7

Systolic BP, mmHg

117 ± 16

111 ± 13

0.05

Diastolic BP, mmHg

71 ± 8

70 ± 9

0.5

Exercise Variables

   

Exercise duration, mins

11.4 ± 2.1

11.1 ± 2.2

0.07

Peak HR, bpm

177 ± 11

173 ± 10

0.01

Peak systolic BP, mmHg

155 ± 19

158 ± 19

0.3

Peak diastolic BP, mmHg

70 ± 9

76 ± 9

0.003

Time to start stress imaging, seconds

31 ± 7

21 ± 2

<0.001

HR at time of peak cine images, bpm

150 ± 16

148 ± 14

0.7

Time to complete stress imaging, seconds

114 ± 23

41 ± 2

<0.001

  1. *paired t test; HR, heart rate; bpm, beats per minute; BP, blood pressure; mmHg, millimeters of mercury; min, minutes; CMR, cardiac magnetic resonance imaging.