Class notes
Cardiac Output and its Regulation
- Course
- Physiology (FLGX317)
- Institution
- North-West University (NWU)
The document provides an in-depth summary of the topic cardiac output and its regulation, including graphs and flow charts.
[Show more]
Seller
Follow
Content preview
Topic: Cardiac outputand its regulation
Course: FLGX 317
Study Unit 4
, Questions Notes
1. Define cardiac output Cardiac output is the volume of blood pumped out by each
(CO) ventricle and equals the product of the heart rate and stroke
W. p. 385. volume.
2. Name the two Heart rate and Stroke Volume.
cardiovascular CO = HR x SV
parameters that Heart rate-beat per minute
determine the CO and Stroke volume- blood volume ejected by each ventricle with each
discuss the factors that beat.
determine each. W. p Stroke volume decreases after blood loos but heart rate increases.
385-388
Major factors influencing heart rate.
Major factors affecting stroke volume:
changes in the end-diastolic volume-preload
changes in the magnitude of sympathetic nervous system
input to the ventricles
changes in the afterload- arterial pressures against which
the ventricles pump.
3. Explain the intrinsic The intrinsic ability of the heart to adapt to increasing volumes of
control of the heart inflowing blood-Frank-Starling mechanism of the heart.
function (preload). G. p. The greater the heart muscle is stretched during filling, the greater
119. is the force of contraction and the greater the quantity of blood
pumped into the aorta.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller silenttutor1. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R75,00. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75759 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy summaries for 14 years now