According to Starling's Law, what is the consequence of excessive filling of the heart?
Understand the Problem
The question is asking about the implications of excessive filling of the heart according to Starling's Law, which relates to how the heart's stroke volume is affected by the volume of blood filling it. We're looking to identify the correct consequence among the given options.
Answer
Excessive filling of the heart results in decreased cardiac output and can lead to heart failure.
Excessive filling of the heart results in decreased cardiac output and can lead to heart failure.
Answer for screen readers
Excessive filling of the heart results in decreased cardiac output and can lead to heart failure.
More Information
The Frank-Starling Law describes how the heart adapts to changes in venous return; however, excessive end-diastolic volume can lead to reduced efficiency and heart failure.
Tips
Confusing stroke volume increase with eventual decrease in cardiac output at excessive volumes.
Sources
- Frank–Starling law - Wikipedia - en.wikipedia.org
- Physiology, Starling Relationships - StatPearls - NCBI Bookshelf - ncbi.nlm.nih.gov
- Frank–Starling Law - AccessAnesthesiology - accessanesthesiology.mhmedical.com
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