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Med Term 2- Christy > Week 3 The Heart > Flashcards

Week 3 The Heart Flashcards

0
Q

Cardiovascular means?

A

Pertaining to the heart and blood vessels

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1
Q

The cardiovascular system does what?

A

Delivers oxygen, nutrients, and hormones to various tissues, transports waste.

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2
Q

The heart is?

A

A hollow, muscular organ that provides the power to move blood through the body

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3
Q

The heart is located?

A

In the mediastinum

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4
Q

The pericardium is?

A

Double-walled membrane surrounding the heart

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5
Q

What are the layers of the heart?

A

Fibrous layer, serous layer: parietal and visceral

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6
Q

Pericardial space is?

A

Space between the two serous layers of the pericardium

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7
Q

Pericardial fluid does what?

A

Prevents friction between the heart and the pericardium

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8
Q

Epicardium is?

A

External layer of heart

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9
Q

Myocardium is

A

Middle layer of heart

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10
Q

Endocardium?

A

Inner layer of heart

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11
Q

Coronary vessels are?

A

Blood vessels that deliver blood to and take blood away from the hearts tissues

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12
Q

Coronary occlusions are.

A

Blockage of the coronary vessels and can lead to ischemia

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13
Q

Ischemia is?

A

Deficiency in the blood supply to an area

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14
Q

What is infarct?

A

Necrosis due to ischemia

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15
Q

What are the superior chambers of the heart and what is the short form?

A

Atria, atri/o

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16
Q

What are the inferior chambers of the heart and short form?

A

Ventricles, ventricul/o

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17
Q

A septum is?

A

Separating wall

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18
Q

What does the aventricular septum do?

A

Separates the right and left chambers of the heart

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19
Q

The apex is?

A

The tip of the heart

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20
Q

What is a valve?

A

Membranous fold

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21
Q

What is the short form of valve?

A

Valv/o and valvu/o

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22
Q

What are the semilunar valves?

A

Pulmonary and aortic

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23
Q

What is the heart beat?

A

Rate and regularity of the heart rhythm

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24
Q

What I the heart beat influenced by?

A

Electronic impulses from nerves in the myocardium

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25
Q

What is cardiac output?

A

Volume of blood pumped by the heart overtime

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26
Q

Where is the SA node located and what does it do?

A

In the right atrial wall and initiates the heart rhythm also called the pacemaker

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27
Q

Where is the AV node and what does it do?

A

In the interatrial septum and receives the impulse from the SA node

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28
Q

Where is the bundles of his?

A

In the inerventricular septum and continues through the ventricles as the purkinjie fibers

29
Q

What do the purkinjie fibers do?

A

Carry impulses through ventricular muscle, causing them to contract

30
Q

Systole is?

A

Contraction

31
Q

Diastole is?

A

Relaxation

32
Q

Arrhythmia or dysrhythmia is?

A

Abnormal heart beat

33
Q

Bradycardia is?

A

Abnormally slow heart beat

34
Q

Tachycardia is?

A

Abnormally fast heart beat

35
Q

What is electrocardiography?

A

Process of recording the electrical activity of the heart

36
Q

What is an electrocardiogram? What is the abbreviation?

A

Record of the electrical activity of the myocardium. ECG or EKG

37
Q

What does the p wave do?

A

Depolarization of the atria

38
Q

What does the QRS complex do?

A

Depolarization of the ventricles

39
Q

What does the t wave do?

A

Repolarization of the ventricles

40
Q

What sound is heard when auscultating the heart?

A

Lub, dub

41
Q

Lub is?

A

Closing of the atrioventricular valves

42
Q

Dub is?

A

Closing of the semilunar valves

43
Q

What is a murmur?

A

Abnormal sound associated with turbulent blood flow

44
Q

What are blood vessels? What are the short forms?

A

Tubular structures through which blood flows. Angi/o and vas/o

45
Q

What is the lumen?

A

Opening in these vessels through which blood flows

46
Q

Constriction is?

A

Narrowing of the lumen

47
Q

Dilation is?

A

Widening of the lumen

48
Q

Arteries are? Short form?

A

Vessels that carry blood away from the heart. Ateri/o

49
Q

Arterioles are?

A

Smaller branches of arteries

50
Q

Veins are? Short form?

A

Vessels that carry blood to the heart. Ven/o and phleb/o

51
Q

Blood pressure is? Combining form?

A

Tension exerted by blood on the arterial walls, tensi/o

52
Q

What is a pulse?

A

Rhythmic expansion and contraction of an artery produced by pressure

53
Q

How is blood pressure measured?

A

By a sphygmomanometer

54
Q

Tourniquet?

A

Instrument to stop blood flow

55
Q

Cardiomegaly

A

Enlargement of the heart

56
Q

Cardiomyopathy?

A

Disease of the heart tissue

57
Q

CHF?

A

Congestive heart failure

58
Q

Dirofilariosis

A

Heart work infestation

59
Q

Embolus

A

Foreign thing in circulation

60
Q

Embolism

A

Blockage from foreign thing

61
Q

Hematoma

A

Collection of blood in an area

62
Q

Occlusion

A

Any blockage

63
Q

PDA

A

Patent ductus arteriosus

64
Q

Shock

A

Oxygen not getting to tissues

65
Q

Thrombus

A

Clot

66
Q

Thrombosis

A

Condition of having a clot

67
Q

Defibrillation

A

Use of electric shock to start or restore heart rhythm

68
Q

Hemostasis

A

Stopping of blood (like with hemostats or clotting)

69
Q

Transfusion

A

Blood or blood by products given to a patient from a donor

Med Term 2- Christy (2 decks)

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