334-CH 1 (Overview of Hemodynamics Parameters) Flashcards

(65 cards)

1
Q

Arterial Oxygen Tension

A

Partial pressure of oxygen dissolved in the arterial blood

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2
Q

Alveolar-Arterial Oxygen Tension Difference

A

Partial pressure difference between oxygen in the alveoli and oxygen in arterial blood

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3
Q

Arterial Oxygen Saturation

A

Percent of hemoglobin in arterial blood saturated with oxygen

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4
Q

Arterial Oxygen Content

A

Total amount of oxygen in arterial blood

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5
Q

Fraction of Inspired Oxygen

A

Fraction of oxygen in inspired

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6
Q

Alveolar Oxygen Tension

A

Partial pressure of oxygen in alveoli

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7
Q

Arterial Hydrogen Ion Concentration

A

Index of acidity or alkalinity of arterial blood

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8
Q

Mixed Venous Carbon Dioxide Tension

A

Partial pressure of carbon dioxide in mixed venous blood

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9
Q

Arterio-(mixed) venous oxygen content difference

A

Difference between arterial and mixed venous oxygen contents

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10
Q

Arterio-(mixed) venous oxygen tension difference

A

Difference between arterial and mixed venous oxygen tensions

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11
Q

Aortic Diastolic Pressure

A

Diastolic BP measured at root of aorta

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12
Q

Systolic Blood Pressure

A

Systemic arterial pressure during systole

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13
Q

Central Venous Pressure

A

Mean blood pressure in central veins and right atrium

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14
Q

Left Atrial Pressure

A

Mean blood pressure in left atrium

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15
Q

Left Ventricular End-Diastolic Pressure

A

Pressure in left ventricle at end diastole

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16
Q

Mean Pulmonary Artery Pressure

A

Time averaged pulmonary artery pressure

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17
Q

Pulmonary Artery Wedge Pressure

A

Mean blood pressure in the pulmonary capillaries

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18
Q

Pulse Pressure

A

Difference in arterial blood pressure between systolic and diastolic

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19
Q

Right Ventricular End Systolic Pressure

A

Blood pressure in right ventricle at end systole

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20
Q

Right Atrial Pressure

A

Mean pressure in right atrium

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21
Q

Afterload

A

Total force opposing ventricular ejection

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22
Q

Preload

A

Myocardial fiber length at end diastole

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23
Q

Contractility

A

Force of ventricle contraction independent of preload or afterload

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24
Q

Stroke Volume

A

Amount of blood ejected by either ventricle per contraction

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25
Cardiac Output
Amount of blood pumped by the heart per minute
26
Cardiac Index
Cardiac output expressed per body surface area
27
Stroke Work
Measure of ventricular performance
28
Ejection Fraction
Percentage of ventricular chamber emptying
29
Left Ventricular Stroke Work
Work performed by left ventricle
30
Right Ventricular Stroke Work Index
Work performed by right ventricle per body surface area
31
Coronary Perfusion Pressure
Driving pressure of coronary blood flow
32
Myocardial Oxygen Consumption (Demand)
Amount of oxygen consumed by the heart per minute
33
Myocardial Oxygen Delivery (Supply)
Amount of oxygen delivered to the heart by coronary vessels
34
Oxygen Consumption Index
Oxygen consumption per body size
35
Oxygen Delivery
Quantity of oxygen pumped by the heart to body tissue per unit of time
36
Oxygen Extraction Ratio
Amount of oxygen extracted and consumed by the body tissues relative to the amount delivered
37
Pulmonary Vascular Resistance
Resistance to right ventricular ejection of blood into the pulmonary vasculature
38
Physiologic Shunt
Percent of cardiac output which passes from the right atrium to the left atrium without being oxygenated
39
Oxygen Reserve
Venous oxygen supply
40
Left Ventricular Function Curve
Plot reflecting cardiac output to left ventricular preload
41
BPsys
Systolic Blood Pressure
42
LVEDP
Left Ventricular End-Diastolic Pressure
43
CVP
Central Venous Pressure
44
MAP
Mean Arterial Pressure
45
PAMP
Pulmonary Artery Mean Pressure
46
LAP
Left Atrial Pressure
47
PAEDP
Pulmonary Artery End-Diastolic Pressure
48
PAP
Pulmonary Artery Pressure
49
LVESV
Left Ventricular End-Systolic Volume
50
RVEDP
Right Ventricular End-Diastolic Pressure
51
AoD
Aortic diastolic pressure
52
CI
Cardiac Index
53
EF
Ejection Fraction
54
BSA
Body surface area
55
LVSW
Left Ventricular Stroke Work
56
PVRI
Pulmonary vascular resistance index
57
CO
Cardiac Output
58
PP
Pulse Pressure
59
SV
Stroke Volume
60
Normal Value: CO
4-8 L/min
61
Normal Value: CI
2.5-4.4 L/min/m^2
62
Normal Value: HR
60-100 bpm
63
Normal Value: SV
60-120 mL/beat
64
Normal Value: RAP
0-6 mmHg
65
Normal Value: RVESP
15-25 mmHg