io2 THOMPSON YATES AND JOHNSTON LABORATORIES REPORT 
PERFUSIONS WITH LOCKE'S FLUID 
XIII. IOO MGRMS. CHClj PER LlTRE OF Locke's FLUID 
(CHC/j in 'Oi per cent, dilution) 
No. of Heart 
Quantity of 
CHC1., solution 
perfused 
Duration of 
flow 
A. beat reduced by 
V. beat reduced by 
Recovery 
Heart 55: — 
Obs. 1 ... 
? 
I min. 
25 sees. 
90 per cent. 
96 per cent. 
Full 
Obs. 2 ... 
45 cc. 
1 min. 
1 3 sees. 
88 per cent. 
93 per cent. 
do. 
Obs. 3 ... 
95 c - c - 
2 mins. 
3 sees. 
96 per cent. 
98 per cent. 
do. 
Heart 56 : — 
Obs. 1 ... 
358 c.c. 
1 3 mins. 
1 5 sees. 
Not recorded 
95 per cent. — 90 
per cent. 
Full 
Obs. 2 ... 
1 34 c.c. 
4 mins. 
55 sees. 
do. 
99 per cent. 
do. 
Obs. 3 ... 
440 c.c. 
1 5 mins. 
30 sees. 
do. 
98 per cent. — 76 
per cent. 
do. 
Average reduction, Heart 55, 3 obs. : A., 91-3 per cent. ; V., 95-6 per cent. 
„ „ Heart 56, 3 obs. : V., 97-3 per cent. 
Mean reduction, V. in two hearts : 96^45 per cent. 
XIV. 66 mgrms. CHC1 3 per Litre of Locke's Fluid 
(C77C/ ; in -co66 per cent, dilution) 
No. of Heart 
Quantity of 
CHC1.. solution 
perfused 
Duration of 
flow 
A. beat reduced by 
V. beat reduced by 
Recovery 
Heart 44 : — 
Obs. 2 ... 
80 c.c. 
1 min. 5 sees. 
26 per cent. 
40 per cent. 
Full 
Obs. 3 ... 
250 c.c. 
4 mins. 
50 sees. 
67 per cent. 
7 5 " 5 per cent. 
do. 
Obs. 5 ... 
1 00 c.c. 
2 mins. 
35 sees. 
7 5 per cent. 
63 per cent. 
do. 
Obs. 6 ... 
62 c.c. 
1 min. 
45 sees. 
87 per cent. 
72 - 5 per cent. 
do. 
Obs. 7 ... 
385 c.c. 
12 mins. 
t,o sees. 
85 per cent. 
6y5 per cent. ^ 
4.5 P er cent. 
do. 
Average reduction, A. beat by 68 per cent. ; V. beat by 65*7 percent. 
