Fig. 4. Effect of isoproteronol (1 µg kg-1) on (A) heart rate
(fH), (B) pulmonary
(
pul) and systemic
(
sys) blood flow, (C)
pulmonary (Ppul) and systemic (Psys)
pressure, (D) pulmonary (Rpul) and systemic
(Rsys) resistance, (E) total blood flow
(
tot) and (F) stroke volume
(VStot). * indicates a significant difference
compared with resting conditions. N=4.