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NREMT Advanced EMT

Category - Cardiology

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What is the pressure in the ventricle at the end of diastole referred to as?

Afterload
Preload
Pre-diastolic
None of the above

Explanation

Answer - B - The pressure in the ventricle at the end of diastole is referred to as preload, also known as end-diastolic. Preload influences the force of the next contraction. This is based on Starling’s law of the heart, which states that the more the myocardial muscle is stretched, up to a limit, the greater its force of contraction will be.

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