2. Year 10 - Defining terms Flashcards
1
Q
Define Heart Rate (HR)
A
The number of times the heart beats in 60 seconds
2
Q
Define Maximum HR (Max HR)
A
The estimated maximum number of times a heart can beat in 60 seconds
3
Q
How can Max HR be estimated?
A
220 - Your age
4
Q
Define Stroke Volume (SV)
A
The volume of blood pumped by the left ventricle per beat
(mL - no more than 1 liter)
5
Q
Define Cardiac Output (Q)
A
The volume of blood pumped by the left ventricle in 60 seconds
6
Q
What is the formula for Q?
A
Q = HR * SV