598 
HEMODYNAMICS 
EFFECT OF DRUGS 
(SUBJECT 2) 
LEFT 
ATRIAL 
PRESSURE 
LEFT 225 
VENTRICULAR 
PRESSURE Q 
RIGHT 30 
VENTRICULAR 
PRESSURE 0 
FEMORAL 200 
ARTERIAL 100 
PRESSURE, mm Hg q 
ASC AORTIC 240 
FLOW VELOCITY, 
cmVsec 0 
24- 
0 - 
HHHI|HI!I|HH|IH 
■■■■■■■■ 
I 
- - - -II 3 ti 1 p 
10 
ISOPROTERENOL, ^g/min 
Figure 4. — Effects of infusion of isoproterenol in one animal. 
LEFT 
ATRIAL 24 
PRESSURE 0 
LEFT 
VENTRICULAR 
PRESSURE 
225 
75 
RIGHT 30 
VENTRICULAR 
PRESSURE 0 
EKG 
FEMORAL 
ARTERIAL 1 00 
PRESSURE, mm Hg q. 
ASC AORTIC 240 
FLOW VELOCITY, 
cm^/sec 0 
EFFECT OF DRUGS 
(SUBJECT 2) 
1 I 
2 4 
NOREPINEPHRINE,^g/min 
Figure 5. — Effects of infusion of norepinephrine in one animal. 
