Scenario: DW is a 65-year-old, 135 kg male who visited his primary care physician for a...

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Scenario: DW is a 65-year-old, 135 kg male who visited hisprimary care physician for a routine examination. His bloodpressure was 158/100 mmHg and his heart rate was 71 bpm. Strokevolume and cardiac output were normal. Serum renin levels were inthe normal range. A chest x-ray revealed left ventricularhypertrophy. Other clinical findings were unremarkable.
describe the following terms related to cardiovascularphysiology, and explain where they occur in the cardiac cycle. (Donot describe them related to this patient. Just describe andexplain them for normal physiology): preload, end-diastolic volume,contractility, turbulent flow, venous return
Why is the case talking about ventricular hypertrophy ratherthan atrial hypertrophy?

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3.6 Ratings (505 Votes)

Preoload Preload is the initial streching of the cardiac muscle before contractionIt occurs when ventriclar blood filling venous return increases as a result it also increases the end diastolic pressure and volume of the venrticle Thereforeit facilitates streching of cardiac muscles and increase in See Answer

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