must know

muscle pump enclosed in _________

what is enclosed in the pericardium

what is heart size related to?

Heart is located ______ lower half of _______

what divides the heart into right an delft halves

what does the longitudinal septum divide

what does the pulmonary valve supply

what does the aortic valve supply

what forces the cusps open????

what receives deoxygenated blood

what receives oxygenated blood

where is the house of the SA and AV node?

where does left atrium empty blood into?

what is pulmonary pressure

what does more work... right or left ventricle???

what is systemic pressure

what atria/ventricle is the PRIMARY issue with heart disease???

mm fibers of the heart are _____

innervation of the heart needs to be____

ANS intervention: function

increased stimulation of ______ nervous system increases...

- discharge rate of SA node
- AV node conduction
- contractile force of both atrial and ventricular mm
- HR

what does increased stimulation of sympathetic nervous system increase??

increased stimulation of ____________ nervous system

- increases VAGUS nerve activity

- decreases AV node conduciton

- decreases HR

increased stimulation of parasympathetic nervous system causes what three things

SA node is what rythm?

where is SA node located

what is SA node rate without neural influence

what is SA node rate with vagal influence

what is located on the FLOOR of atrium above tricuspid valve?

what is the rate of the AV node

what is the main function of the AV node

what is this the three phases of

1)Isovolumetric contraction
2)Rapid ejection
3)Slower ejection

what is this the three phases of

1) passive rapid-filling
2)slower filling
3)activie rapid-filling

what heart sound is closure of AV valves

what is S1

what is S2

what is closure of semilunar valves heart soind

what heart sound is associated with passive rapid-filling (ventricular gallop)

what is S3

what heart sound is associate with active rapid-filling (atrial gallop)

what is S4

On average we pump_____ of total blood in LV to systemic circulation

when breathing in the diaphragm goes ____

when inhaling how does the heart move??

when does the heart descend and rotate right?

when does the diaphragm contract? inspiration or expiration

pt presents with right lung atelectasis. Which way does the heart move?

atelectasis.. shifts heart to _____ side as pathology

which way does the heart shift with atelectasis???

Which was does the heart shift in pneumothorax?

patient presents with left pneumothorax.. which way do we suspect the heart has shifted??

what are the three layers of the heart?

which layer of the heart is visceral and has lots of fat?

which layer of the heart contains coronary blood vessels that nourish the heart?

which is thicker?
ventricle walls or atrial walls?

<50%

ejection fraction: 40-50%

ejection fraction: 30-40%

ejection fraction: <30%

indicative of impairment

ejection fraction: moderate

ejection fraction: severe

what is this the definition of? amount of blood ejected from Lventricle during ventricular SYSTOLE (1 heartbeat)

what is the average SV

what is a SV less than 70mLeat indicative of?

what is this the definition of?: End-diastolic muscle fiber length of ventricles BEFORE systolic ejection

what is this the definition of?: Resistance to ejection of blood during VENTRICULAR systole

what is the cardiac reflex?

what responds to hypoxia by increasing ventilation?

venous return is the amount of blood entering the LEFT atrium

true or false

venous return is the amount of blood entering the ______ atrium

resistance exercise is bad for what?