Download Heart Study Aid 1) Pericardium Fibrous ______ Parietal layer

Heart Study Aid
1) Pericardium
a. Fibrous
b. ____________
i. Parietal layer
ii. ___________ also known as the epicardium
2) Layers of the heart myocardium
a. ________________: outermost layer
b. Myocardium: __________________
c. ________________: innermost layer
3) Four chambers of the heart
a. _________________
i. Vessel’s entering: ________________________________
b. _________________
i. Vessel’s entering: _______________________________
c. _________________
i. Vessel leaving: _________________________
d. _________________
i. Vessel leaving: _________________________
4) Blood flow through the heart:
right atrium (via vena cava)

 ____________________ 
lungs


_______________
_________________ 
pulmonary trunk

 aorta
_____________________

 pulmonary arteries 

left atrium
right ventricle
____________

left ventricle
systemic circulation
5) Heart sounds
a. Lup: __________________
b. ________: Semilunar valves closing
6) The functional blood supply of the heart is the ______________________
7) Conduction system of the heart
SA node (pacemaker)

__________________________

______________________

right and left bundle branches 
______________________

myocardium

AV node
____________________

8) EKG
a. P wave: ____________________________
b. QRS complex:___________________________
c. T wave:______________________________
9) Diastole:________________________ , Systole:____________________________
10) 3 events of the cardiac cycle
a. __________________________
b. Contraction of cardiac muscle
c. ___________________________
11) Cardiac output (CO) =
__________________ x _________________
12) Stroke volume (SV) = ___________________ - ___________________
13) 3 factors that affect SV
a. ___________________ : an intrinsic mechanism defined by Frank Starling. Increased
venous return = greater stretch = stronger contraction = increased SV.
i. Affects EDV / ESV (circle one)
b. Contractility : ________________________________________________
i. Affects EDV / ESV (circle one)
c. Afterload : ___________________________________________________
i. Affects EDV / ESV (circle one)
14) Name some factors that affect heart rate:
_____________________________________________________________________________
______________________________________________________________________________