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. 2010 Dec 22;300(3):R663–R673. doi: 10.1152/ajpregu.00662.2010

Table 2.

Systemic hemodynamics during whole-body heat stress at rest and during exercise

Control
Skin Hyperthermia
Skin and Mild Core Hyperthermia
Skin and Core Hyperthermia
Rest Exercise Rest Exercise Rest Exercise Rest Exercise
Cardiac output, l/min 5.3 ± 0.2 7.8 ± 0.4 6.9 ± 0.3* 9.2 ± 0.4* 8.5 ± 0.4*# 10.2 ± 0.4*# 9.0 ± 0.4*# 10.9 ± 0.5*#
Mean arterial pressure, mmHg 109 ± 3 146 ± 2 103 ± 0* 129 ± 2* 101 ± 2*# 120 ± 3*# 105 ± 3 119 ± 3*#
Femoral venous pressure, mmHg 11 ± 1 20 ± 2 11 ± 2 20 ± 2 14 ± 2# 19 ± 3 14 ± 3 18 ± 3
Systemic vascular conductance, ml·min−1·mmHg−1 49 ± 2 54 ± 3 67 ± 3* 72 ± 4* 84 ± 4*# 86 ± 5*# 86 ± 4*# 91 ± 4*#
Perfusion pressure, mmHg−1 97 ± 3 125 ± 2 90 ± 2* 109 ± 2* 88 ± 3* 101 ± 4*# 93 ± 3* 100 ± 3*#

Data are means ± SE for 11 subjects. Cardiac output, mean arterial pressure, femoral venous pressure, and systemic vascular conductance during heat stress at rest and one-legged knee extensor exercise.

*

Different from control, P < 0.05;

#

different from skin hyperthermia, P < 0.05;

different from skin and mild core hyperthermia. Significance was accepted at P < 0.05 and refers to differences in the respective conditions, i.e., either rest or exercise.