CARDIAC

Question 1

PRELOAD

Answer 1

The amount of blood RETURNING to the heart

Question 2

AFTERLOAD

Answer 2

The PRESSURE in the aorta & Peripheral Arteries that the left ventricle has to pump against to get the blood out.
*That PRESSURE is referred to as resistance

Question 3

STROKE VOLUME

Answer 3

The AMOUNT of blood pumped out of the ventricles with each beat

Question 4

CARDIAC OUTPUT

Answer 4

CO=HR X SV
Tissue Perfusion is dependent on an adequate cardiac output
CO changes according to the body’s Needs

Question 5

DECREASED CARDIAC OUTPUT

PATHOPHYSIOLOGY

Answer 5

Decreased tissue perfusion
Brain: Decreased LOC
Heart: Chest Pain
Lungs: Shortness of Breath
Skin: Cold & Clammy
Kidneys: Decreased Urinary Output
Peripheral Pulses: Weaker, Less volume, Less pressure