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John is about to preload his truck with logs.
it decreases blood volume and preload
Preload is caused by decreased blood volume in ventricles. Therefore, decreased preload directly caused by bleeding, polyuria, dehydration.
if you find out tell me what preload is
The cardiology ward only served cardiac patients.
An E.K.G. often shows if a person needs cardiology services.
The physician specialized in cardiology.