Table 1.

Mean ± SE values at baseline and during mental stress

Variable	Baseline	Mental Stress
Heart Rate (bpm)	64.7 ± 0.9	86.5 ± 1.3*
Systolic Blood Pressure (mmHg)	123.3 ± 1.1	137.2 ± 1.2*
Diastolic Blood Pressure (mmHg)	60.2 ± 0.7	71.6 ± 0.7*
Mean Arterial Pressure (mmHg)	81.9 ± 0.7	96.5 ± 0.9*
Forearm Blood Flow (ml/dl tissue/min)	2.4 ± 0.1	5.8 ± 0.3*
Forearm Vascular Conductance (units)	2.9 ± 0.1	5.9 ± 0.3*
Forearm Vasc. Resistance (MAP/FBF)	42.0 ± 1.6	22.7 ± 1.1*
Epinephrine (pg/ml)	34.1 ± 3.7	83.6 ± 6.0*
Norepinephrine (pg/ml)	116.6 ± 5.3	196.7 ± 6.9*

^*P < 0.05 vs. baseline. FVC was calculated as [(FBF/MAP) X 100] and expressed as arbitrary units.