BLOOD PRESSURE AND PULSE Flashcards

1
Q

Arterial diastole

A

Blood delivered into atria via veins

80% of blood passively into ventricles

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2
Q

Atrial systole

A

Last 20% of blood left in each had delivered to ventricles by atrial systole

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3
Q

Ventricular systole

A

Begins shortly after atrial systole

ventricular contraction, begin pressure rises , closing the AV valve

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4
Q

Ejection phase ventricular systole

A

As pressure begins to rise in the ventricles, blood is pumped into the great arteries

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5
Q

Ventricular diastole

A

Cycle repeats

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6
Q

Cardiac cycle steps

A

Ventricular filling, isovolumetric contraction, ventricular ejection, isovolumetric relaxation

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7
Q

Ventricular filling

A

Atrial pressure is greater than ventricular pressure AV valves are open, and blood flows into atria and into the ventricles SL valve closed

The atria contract to complete the filling of ventricles and ventricular diastole ends

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8
Q

Isovolmetric contraction

A

Contraction of ventricles begin and ventricle pressure increases closing the AV valves and SL still closed

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9
Q

Ventricular ejection

A

Ventricular pressure rises when pressure is exceeded the SL valves open and blood is ejected

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10
Q

Iso volumetric relaxation

A

Ventricles, relax, decreasing pressure, ventricles and SL valves close AV valve already closed

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11
Q

Dicrotic notch

A

Results of a pressure fluctuation that occurs when the aortic valve snaps shut

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12
Q

A statoscope is used to ask ausculate what heart sounds

A

first # heart zone lub closure of the AV valves

Second heart sound dub closure of the SL valves

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13
Q

Heart murmur and what can it indicate?

A

Abnormal heart sound can indicate a defect in one of the valves

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14
Q

PULSE

A

Surges of pressure and arteries equivalent to the heart rate

It’s heart pushing out blood during cardiac cycle

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15
Q

Heart rate

A

Number of beats per minute

Normal is 60 to 100
Average is 70 to 76

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16
Q

How long does average heartbeat last?

A

Point eight seconds

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17
Q

How to calculate heart rate from heartbeat length

A

60 seconds / by heartbeat duration

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18
Q

Blood pressure

A

Pressure exerted against walls of arteries what drugs

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19
Q

Systolic blood pressure

A

Pressure exerted against walls of arteries during ventricular systole

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20
Q

Diastolic blood pressure

A

Pressure exerted against arterial wall during ventricular diastole

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21
Q

Blood pressure is measured using a sphygmomanometer in what unit

A

In MMHG expressed S / D

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22
Q

Hypertension, stage 2 blood pressure example

A

Systolic over 140 or diastolic over 90

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23
Q

Hypertensive crisis, blood pressure example

A

Systolic higher than 180 and or diastolic higher than 120

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24
Q

High blood pressure stage one example

A

Systolic 130 to 139 or diastolic 80 to 89

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25
Q

How to measure systolic and diastolic blood pressure

A

Play blood pressure cuff on upper left arm

Stethoscope on brachial artery

Inflate pressure cuff until circulation is cut off

Use knob to slowly release pressure

The first knocking sound is the systolic pressure

When that sound disappears, that is the reading for the diastolic pressure

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26
Q

Total peripheral resistance

A

The amount of force exerted on circulating blood by the vasculature

27
Q

Stroke volume

A

Amount of blood pumped by the left ventricle during one contraction

Average is 70

28
Q

Cardiac output

A

Amount of blood pumped by the heart in one minute

29
Q

Cardiac output and BP equation

A

CO = SV x HR

BP = CO x TPR

30
Q

Pulse pressure

A

Difference between systolic and diastolic blood pressure

SBP -DBP

31
Q

Mean arterial pressure

A

Average pressure in the patient’s arteries during one cardiac cycle

32
Q

What is considered a better indicator of perfusion to vital organs than SBP

A

Mean arterial pressure

33
Q

MAP equation

A

MAP = DBP + pulse pressure / 3

34
Q

Elevated blood pressure and normal blood pressure

A

Systolic 120 to 129 and diastolic less than 80

Less than 120 and less than 80

35
Q

What is the net change and pressure the order between the start and end of ventricular diastole and one cardiac cycle?

A

It decreases gradually after a brief increase

36
Q

During ventricular filling phase which valves are opened and closed

A

Each atrioventricular valves are open and semi lunar valves are closed

37
Q

BP equation

A

COxTPR

38
Q

What does pulse pressure indicate?

A

The amount of blood force from the heart during Sicily and it basically tells you how the heart is working

39
Q

Places the posts can be palpated around the body

A

Radial artery
Superficial temporal artery
Posterior tibial artery
Common carotid artery
Femoral artery

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