Digital model of aortic function
I. Schematically redraw modeled records and describe the changes
Changes in stroke volume
Change in peripheral resistance
Change in compliance
Cardiac arrest
SV=50ml SV=90m
SBP
DBP
∆BP
pBP
R = 0,5–0,8
mmHg.
s/ml
R = 1,2–1,5
mmHg.
s/ml
SBP
DBP
∆BP
pBP
C = 0,5
ml/mmHg
C = 2,0
ml/mmHg
SBP
DBP
∆BP
pBP
SV=0ml
SBP
DBP
∆BP
pBP
BP,
mmHg
Time, s
BP,
mmHg
Time, s
BP,
mmHg
Time, s
BP,
mmHg
Time, s
II. Interest tasks:
Model and describe the changes in blood pressure during the stay in the sauna followed by a cool
down (the heat reduces peripheral resistance, the cold increases peripheral resistance).
Model and describe the changes in blood pressure during physical activity (gradual increase of systolic
output and heart rate, and then reduction of peripheral resistance).
Model and describe essential hypertension (increased SV and TF by + 20%) and fully developed
hypertension (return of TF and SV to the original values and increased resistance by 40%).
Conclusion
BP,
mmHg
Time, s
BP,
mmHg
Time, s
BP,
mmHg
Time, s