cardiovascular 1; review Flashcards

(40 cards)

1
Q

cardiac output stages

A

preload

afterload

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2
Q

arterial

A

rhythmic ejection of blood from left v to aorta

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3
Q

electrocardiogram

A

measures electrical activity of the heart

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4
Q

pacemaker for heart

A

sa node

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5
Q

pulse pressure higher than 40

A

myocaridal hypertrophy

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6
Q

tells how much o2 and co2 are in blood

A

chemoreceptors

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7
Q

resting state of heart

A

repolarixzation

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8
Q

systole

A

ventricular contraction

perfect is 120

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9
Q

repolarization

A

resting state of heart

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10
Q

EKG/ECG

A

electrocarfiogram

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11
Q

venules

A

small veins comes from the capillaries

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12
Q

arterioles

A

small branch of artery leading to capillary

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13
Q

diastole

A

relaxation of ventricles

perfect is 80

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14
Q

measures electrical activity of the heart

A

electrocardiogram

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15
Q

hypothalamus helps by

A

getting signals from baro and chemo to change hr from amount of h20 and 02

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16
Q

ventricular contraction

A

systole

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17
Q

baroreceptors

A

stretch receptors for blood vessels

18
Q

afterload

A

force for ejection in ventricle

19
Q

stretch receptors for blood vessels

A

baroreceptors

20
Q

relaxation of ventricles

21
Q

CO =

A

cardiac output

22
Q

chemoreceptors

A

tells how much o2 and co2 are in blood

23
Q

pulse pressure =

A

systole - diastole

perfect is 40

24
Q

bp =

A

cardiac output x peripheral vascular resistance

25
PVR
peripheral vascular resistance
26
humoral mechanisms for bp regulation
ADH renin (angiotensin 1 and 2) aldosterone vasopressin
27
if sa node isnt working
av will pick up slack | slower or irregular hb
28
sa node initiates __ for contraction
depolarization
29
cardiac output =
stroke volume x hr
30
cardiac output x peripheral vascular resistance =
bp
31
helps nodes with conduction
bundle of His bundle branches purkinje fibers
32
second pacemaker for heart
av node
33
gets signals from baro and chemo to change hr from amount of h20 and 02
hypothalamus
34
stroke volume x hr =
cardiac output
35
rhythmic ejection of blood from left v to aorta
arterial
36
depolarization
contraction
37
force for ejection in ventricle (stage)
afterload
38
venous return/atrial filling (after diastole)
preload
39
preload
venous return/atrial filling (after diastole)
40
is hardened by 02 in blood vessels, less flexible, heart has to pump harder
fat