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ST2 > Week 12 - Cardiovascular System > Flashcards

Week 12 - Cardiovascular System Flashcards

1
Q

Aorta

A

largest artery in the body

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2
Q

Angiogram

A

xray of blood/lymph vessels

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3
Q

Aortic stenosis

A

narrowing of the valve in the large blood vessel branching off the heart (aorta)

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4
Q

Angioplasty

A

surgical repair or unblocking of a blood vessel; esp. coronary artery

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5
Q

Anoxia

A

absence of oxygen

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6
Q

Artery

A

largest type of blood vessel; carries blood away from the heart to all parts of the body

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7
Q

Arrhythmia

A

condition in which the heart beats with an irregular or abnormal rhythm

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8
Q

Atheroma

A

collections of plaque that protrude into the lumen of an artery, weakening the muscle lining

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9
Q

Atrioventricular node

A

AV node; specialized tissue in the wall between the atria

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10
Q

Atrioventricular bundle

A

bundle of His; specialized muscle fibers connecting the atria with the ventricles and transmitting electrical impulses between them

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11
Q

Atrium

A

one of two upper chambers of the heart

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12
Q

Bradycardia

A

slower than normal heartbeat; <60 bpm

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13
Q

Capillary

A

smallest blood vessel

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14
Q

Carbon dioxide

A

CO2; gas (waste) released by body cells, transported via veins to the hear and then to the lungs for exhalation

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15
Q

Coronary heart disease

A

plaque builds up inside the coronary arteries causing artherosclerosis

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16
Q

Cyanosis

A

bluish discoloration of the skin indicates diminished oxygen content of the blood

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17
Q

Diastole

A

relaxation phase of the heartbeat

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18
Q

Endocardium

A

inner lining of the heart

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19
Q

Electrocardiogram

A

ECG; record of the electricity flowing through the heart; P, QRS, T

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20
Q

Hypoxia

A

inadequate oxygen in tissues

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21
Q

Mitral valve

A

valve between left atrium and left ventricle; bicuspid valve

22
Q

Myocardium

A

muscular middle layer of the heart

23
Q

Normal sinus rhythm

A

heart rhythm originating in the sinoatrial node with a rate in patients at rest of 60 - 100 bpm

24
Q

Pericardium

A

double-layered membrane surrounding the heart

25
Q

Pulmonary circulation

A

flow of blood from the heart to the lungs and back to the heart

26
Q

Pulse

A

beat of the heart as felt through the walls of the arteries

27
Q

Pulmonary vein

A

one of two pairs of vessels carrying oxygenated blood from the lungs to the left atrium of the heart

28
Q

Pulmonary valve

A

valve positioned between the right ventricle and the pulmonary artery

29
Q

Sinoatrial node

A

SA node; pacemaker of the heart

30
Q

Systole

A

contraction phase of the heart beat

31
Q

Tachycardia

A

faster than normal heart beat; >100 bpm

32
Q

Tricuspid valve

A

located between the right atrium and the right ventricle; it has three leaflets or cusps

33
Q

Vasoconstriction

A

constriction of blood vessels, which increases blood pressure

34
Q

Vasodilation

A

dilation of blood vessels, which decreases blood pressure

35
Q

Vena cava

A

largest vein in the body; superior and inferior venae cavae return blood to the right atrium of the heart

36
Q

Ventricle

A

one of tow lower chamber of the heart

37
Q

Tetralogy of Fallot

A

congenital malformation involving four distinct heart defects; pulmonary artery stenosis, ventricular septal defect, shift of the aorta to the right, hypertrophy of the right ventricle

38
Q

Sphygmomanometer

A

instrument to measure blood pressure

39
Q

Stethoscope

A

instrument for listening to the action of someones heart or breathing

40
Q

Thrombolysis

A

dissolution of blood clot

41
Q

Vascular

A

pertaining to vessel(s), esp those that carry blood

42
Q

Cardiomegaly

A

abnormal enlargement of the heart

43
Q

Arterial anastomosis

A

surgical connection of arteries

44
Q

Arteriole

A

small artery

45
Q

Atherectomy

A

sx for removing atherosclerosis from blood vessels within the body

46
Q

Cardiomyopathy

A

chronic disease of the heart muscle

47
Q

Hypercholesterolemia

A

excess of cholesterol in the bloodstream

48
Q

Endothelium

A

innermost lining of blood vessels

49
Q

Septum

A

partition or wall dividing a cavity

50
Q

Claudication

A

Pain, tension, and weakness in a leg after walking has begun, but absence of pain at rest

ST2 (15 decks)

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