Chapter 51 Flash Cards

Front 1

The resistance against which the heart must pump to eject blood into the circulation

Back 1

Afterload

Front 2

Buildup of fatty plaque witin the arteries

Back 2

Atherosclerosis

Front 3

Two upper hollow chambers of the heart

Back 3

Atria

Front 4

Between the atria and ventricles of the heart, the tricuspid valve on the right and the bicuspid or mitral on the left

Back 4

Atrioventricular valves

Front 5

Conduction pathways that slightly delay transmission of the impulse from the atria to the ventricles of the heart

Back 5

Atrioventricular node

Front 6

An electrical impulse and contraction independent of the nervous system and generated by the cardiac muscle

Back 6

Automaticity

Front 7

The force exerted on arterial walls by blood flowing within the vessel

Back 7

Blood Pressure

Front 8

The right and left bundle branches of the ventricular conduction pathways

Back 8

Bundle of His

Front 9

The amont of blood ejected by the heart with each ventricular contration

Back 9

Cardiac Output

Front 10

Emergency announcing cardiac/respiratory arrest and initiatin intervention

Back 10

Code blue

Front 11

The inherent ability of cardiac muscle fibers to shorten or contract

Back 11

Contractility

Front 12

A network of vessels known as the coronary circulation

Back 12

Coronary arteries

Front 13

Enzyme that is released into the blood during a MI

Back 13

Creatine kinase

Front 14

The period during which the ventricles relax

Back 14

Diastole

Front 15

A layer of the heart wall lining the inside of the heart's chambers and great vessels

Back 15

Endocardium

Front 16

The visceral pericardium adhering to the surfae of the heart, forming the heart's outermost layer

Back 16

Epicardium

Front 17

A condition that develops if the heart cannot keep up with the body's need for oxygen and nutrients to the tissues

Back 17

Heart Failure

Front 18

The red pigment in red blood cells that carries oxygen

Back 18

Hemoglobin

Front 19

Deficiency of blood supply caused by obstruction of circulation to the boedy part

Back 19

Ischemia

Front 20

Heart attack; cardiac tissue necrosis owing to obstruction of blood flow to the heart

Back 20

Myocardial infarction

Front 21

The visceral pericardium adhering to the surfae of the heart, forming the heart's outermost layer

Back 21

Epicardium

Front 22

A condition that develops if the heart cannot keep up with the body's need for oxygen and nutrients to the tissues

Back 22

Heart Failure

Front 23

The red pigment in red blood cells that carries oxygen

Back 23

Hemoglobin

Front 24

Deficiency of blood supply caused by obstruction of circulation to the boedy part

Back 24

Ischemia

Front 25

Heart attack; cardiac tissue necrosis owing to obstruction of blood flow to the heart

Back 25

Myocardial infarction

Front 26

The visceral pericardium adhering to the surfae of the heart, forming the heart's outermost layer

Back 26

Epicardium

Front 27

A condition that develops if the heart cannot keep up with the body's need for oxygen and nutrients to the tissues

Back 27

Heart Failure

Front 28

The red pigment in red blood cells that carries oxygen

Back 28

Hemoglobin

Front 29

Deficiency of blood supply caused by obstruction of circulation to the boedy part

Back 29

Ischemia

Front 30

Heart attack; cardiac tissue necrosis owing to obstruction of blood flow to the heart

Back 30

Myocardial infarction

Front 31

The visceral pericardium adhering to the surfae of the heart, forming the heart's outermost layer

Back 31

Epicardium

Front 32

A condition that develops if the heart cannot keep up with the body's need for oxygen and nutrients to the tissues

Back 32

Heart Failure

Front 33

The red pigment in red blood cells that carries oxygen

Back 33

Hemoglobin

Front 34

Deficiency of blood supply caused by obstruction of circulation to the boedy part

Back 34

Ischemia

Front 35

Heart attack; cardiac tissue necrosis owing to obstruction of blood flow to the heart

Back 35

Myocardial infarction

Front 36

A layer of the heart wall; cardiac muscle cells that form the bulk of the heart and contract with each beat

Back 36

Myocardium

Front 37

Double layer of fibroserous membrane of the heart; the parietal or outermost

Back 37

Pericardium

Front 38

Impedance or opposition to blood flow to the tissues; determined by viscosity or thickness of the blood

Back 38

Peripheral vasular resistance

Front 39

The degree to which muscle fibers in the ventricle are stretched at the end of diastole

Back 39

Preload

Front 40

Fibers of the ventricular conduction pathways that terminate in ventricular muscle, stimulating contraction

Back 40

Purkinje Fibers

Front 41

Cresent moon-shaped valves between the cardiac ventricles and the pulmonary artery and the aorta

Back 41

Semilunar Valves

Front 42

A dividing structure suach as taht between the cardiac chambers or between the two sides of the nose

Back 42

Septum

Front 43

The primary pacemaker of the heart located where the superior vena cava enters the right atrium

Back 43

Sinoatrial Node

Front 44

The amount of blood ejected with each cardiac contraction

Back 44

Stroke Volume

Front 45

The period during which the ventricles contract

Back 45

Systole

Front 46

Enzymes that is released into the blood during a myocardial infarction

Back 46

Troponin

Front 47

Two lower chambers of the heart

Back 47

Ventricles