What is cardiac reserve?

Posted on November 12, 2009 by admin

a. afterload
b. the difference between the apical and radial pulses
c. the ability of the heart to increase cardiac output when needed
d. the extra blood remaining in the heart after contraction

c. the ability of the heart to increase cardiac output when needed

Cardiac output can increase upto 6 times. Part of it is due to increase in heart rate while the rest is due to increase in stroke volume. (cardiac output = heart rate x stroke volume).

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3 Responses to What is cardiac reserve?

  1. Yaybob says:
    November 13, 2009 at 4:51 am

    c. the ability of the heart to increase cardiac output when needed

    http://medical-dictionary.thefreedictionary.com/cardiac+reserve
    References :

  2. wtetgrperrine38 says:
    November 13, 2009 at 5:34 am

    c.
    References :

  3. cardiophile says:
    November 13, 2009 at 6:17 am

    c. the ability of the heart to increase cardiac output when needed

    Cardiac output can increase upto 6 times. Part of it is due to increase in heart rate while the rest is due to increase in stroke volume. (cardiac output = heart rate x stroke volume).
    References :