Basic cardiac terms

Question 1

Define Preload

Answer 1

The end diastolic volume inside the chamber inside the heart before contraction

Question 2

Define afterload

Answer 2

The pressure that must be overcome by the left ventricle to circulate blood

Question 3

Define Stroke volume

Answer 3

The volume of blood ejected by the left ventricle of the heart by the one contraction

Question 4

Define cardiac output

Answer 4

The amount of blood ejected in total by the left ventricle in 1 minute

CO= HR * SV

Question 5

Define blood pressure

Answer 5

• The hydrostatic pressure exerted against the vessell walls during systole or diastole