PETERS, DONOVAN, KAWAI, KWAN-GETT, ZWART AND KOLFF 403 
FUNCT. CURVES 
DONOVAN SPHERICAL HEART 
_ I I I I I 
O 4 12 20 
ATRIAL PRES. (mmHg) 
Figure 3. — Function curves of a Donovan Spherical Heart under different driving conditions. (Rate, driving 
pressure, % systole, outflow pressure). Maximum stroke volume is 150 cc. 
