Table 2.

Cardiovascular Measures

	Change with Ganglionic Blockade
Cardiovascular Measures	Young (n=24)	Older (n=18)
Heart Rate (bpm)	23±2	10±2‡
Systolic BP (mmHg)	−19±2	−49±3‡
Diastolic BP (mmHg)	−5±1	−18±1‡
Mean Arterial BP (mmHg)	−10±1	−29±2‡
R-R Interval (ms)	−299±36	−149±27†
R-R Interval SD (ms)	−56±6	−22±6‡
RMSSD (ms)	−64±10	−21±9†
pNN50 (%)	−37±5	−22±5‡

Change in cardiovascular measures with ganglionic blockade. Values are mean±SE. Age group differences:

^*p<0.05,

^†p<0.01,

^‡p<0.001.