ch 8 med terms Flashcards

1
Q

aneurysm

A

localized abnormal dilation of a vessel, usually an artery

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2
Q

arrest

A

condition of being stopped or bringing to a stop

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3
Q

cardiac arrest

A

loss of effective cardiac function

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4
Q

circulatory arrest

A

cessation of the circulation of blood due to ventricular standstill or fibrillation

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5
Q

arrhythmia

A

inability of the heart to maintain a normal sinus rhythm

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6
Q

bruit

A

soft blowing sound heard on auscultation; also called murmur

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7
Q

cardiomyopathy

A

any disease or weakening of heart muscle that diminishes cardiac function

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8
Q

catheter

A

thin, flexible, hollow plastic tube that is small enough to be threaded through a vein, artery, or tubular structure

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9
Q

coarctation

A

narrowing of a vessel, especially the aorta

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10
Q

deep vein thrombosis (DVT)

A

blood clot that forms in the deep veins of the body, especially those in the legs or thighs

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11
Q

ejection fraction (EF)

A

calculation of how much blood a ventricle can eject with one contraction

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12
Q

heart failure (HF)

A

failure of the heart to supply an adequate amount of blood to tissues and organs

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13
Q

embolus

A

mass of undissolved matter circulating in blood or lymphatic channels

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14
Q

fibrillation

A

quivering or spontaneous muscle contractions, especially of the heart

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15
Q

hemostasis

A

arrest of bleeding or circulation

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16
Q

hyperlipidemia

A

excessive amounts of lipids in the blood

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17
Q

hypertension (HTN)

A

common disorder characterized by elevated blood pressure persistently exceeding 140 mmHg systolic or 90 mm Hg diastolic

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18
Q

primary hypertension

A

HTN in which there is no identifiable cause; also called essential hypertension

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19
Q

secondary hypertension

A

HTN that results from an underlying, identifiable, commonly correctable cause

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20
Q

hypertensive heart disease

A

any heart disorder caused by prolonged hypertension

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21
Q

implantable cardioverter-defibrillator (ICD)

A

implantable battery-powered device that monitors and automatically corrects ventricular tachycardia or fibrillation by sending electrical impulses to the heart

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22
Q

infarct

A

area of tissue that undergoes necrosis following cessation of blood supply

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23
Q

ischemia

A

local and temporary deficiency of blood supply due to circulatory obstruction

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24
Q

mitral valve prolapse (MVP)

A

common and occasionally serious condition in which the leaflets of the mitral valve prolapse into the left atrium during systole causing a characteristic murmur heard on auscultation

25
Q

radioisotope

A

chemical radioactive material used as a tracer to follow a substance through the body or a structure

26
Q

palpitation

A

sensation that the heart is not beating normally, possibly including “thumping”, “fluttering”, skipped beats,” or a pounding feeling in the chest

27
Q

patent ductus arteriosus

A

failure of the ductus arteriosus to close after birth, allowing blood flow from the aorta into the pulmonary artery

28
Q

perfusion

A

circulation of blood through tissues or the passage of fluids through vessels of an organ

29
Q

tetralogy of Fallot

A

congenital anomaly consisting of four elements: pulmonary artery stenosis; interventricular septal defect; transposition of the aorta, so that both ventricles empty into the aorta; right ventricular hypertrophy caused by increased workload of the right ventricle

30
Q

stent

A

slender or threadlike device used to hold open vessels, tubes, or obstructed arteries

31
Q

thrombus

A

blood clot that obstructs a vessel

32
Q

cardiac catheterization (CC)

A

passage of a catheter into the heart through a vein or artery to provide a comprehensive evaluation of the heart

33
Q

electrocardiogram (ECG,EKG)

A

graphic line recording that shows the spread of electrical excitation to different parts of the heart using small metal electrodes applied to the chest, arms, and legs

34
Q

angina

A

chest pain

35
Q

incompetent

A

inability of a valve to close completely

36
Q

vegetations

A

small masses of inflammatory material found on the leaflets of valves

37
Q

varices

A

varicose veins of the esophagus

38
Q

diaphoresis

A

profuse sweating

39
Q

Holter monitor test

A

24-hour ECG tracing taken with a small, portable recording system

40
Q

echocardiography

A

noninvasive ultrasound diagnostic test used to visualize internal cardiac structures

41
Q

coronary angiography

A

radiological examination of the blood vessels of and around the heart

42
Q

nitrates

A

agents used to treat angina

43
Q

statins

A

drugs that have powerful lipid-lowering properties

44
Q

diuretics

A

management of edema associated with heart failure and hypertension

45
Q

cardiac enzyme studies

A

include troponin T, troponin I, and creatinine kinase

46
Q

scintigraphy

A

injection and detection of radioactive isotopes to create images and identity function and disease

47
Q

stress test

A

ECG taken under controlled exercise stress conditions

48
Q

ligation and stripping

A

tying of a varicose vein and subsequent removal

49
Q

commissurotomy

A

surgical separation of the leaflets of the mitral valve

50
Q

arterial biopsy

A

removal of a small segment of an artery for diagnostic purposes

51
Q

catheter ablation

A

destruction of conductive tissue of the heart to interrupt abnormal contractions

52
Q

embolization

A

technique used to block flow to a site by injecting an occluding agent

53
Q

angioplasty

A

procedure that alters a vessel through surgery or dilation

54
Q

percutaneous transluminal coronary angioplasty (PTCA)

A

dilation of an occluded vessel using a balloon catheter

55
Q

coronary artery bypass graft (CABG)

A

surgery that creates a bypass around a blocked segment of a coronary artery

56
Q

atherectomy

A

removal of occluding material using a cutting or grinding device

57
Q

venipuncture

A

incision or puncture of a vein to remove blood or introduce fluids

58
Q

thrombolysis

A

destruction of a blood clot