# Measuring Hearts Capacity

PART I Measuring Hearts Capacity – This to be completed while watching the video!

Attempt Volume in Bottle Vol. in Bottle Post-Squeeze Difference Efficiency
Both Hands 1,000 ml
One Hand 1,000 ml
One hand top part 1,000 ml

Efficiency = (Difference/1,000) x 100
1. If ______both hands_______________ (winner of #1) would repeat this squeeze 60 times, what would be the volume of water found in the cup?

2. How many squeezes would be necessary for _________One Hand____________ (second place of #1) to achieve the same volume as the number found in question #2?

3. How many squeezes would be necessary for _____________________ (third place of #1) to achieve the same volume as the number found in question #2?

4. Comparing the results of this competition to the functions of the heart, match what we have done in-class to a heart measure
Volume in bottle is analogous to ______________________________
Volume in bottle post-squeeze is analogous to ______________________________
Difference (Vol pre – Vol post) is analogous to ______________________________
Efficiency of squeeze is analogous to ___________________________________
The multiplication of (Vol pre – Vol post) squeeze to 60 squeezes is analogous to ___________________
Cardiac Output at Rest EDV ESV Stroke Volume Heart Rate Ejection *Fraction
Endurance Exerciser 5 Liters/min 110 ml 30
“Normal” 5 Liters/min 100 ml 40
Heart Failure patient 5 Liter/min 100 ml 60
5. Complete the table by providing Stroke Volume, Heart Rate, and Ejection Fraction to each of the individuals below

*Ejection Fraction = (SV/EDV) x 100

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