Chapter 5 Cardiac Cycle and Heart sounds

48 terms by Rlhafke 

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cardiac system, cycle, heart sounds

cardiac contraction

systole

cardiac relaxation

diastole

during diastole, blood fills the -----------

ventricles

systole propels blood out of the -----------

ventricles

-graphy

process of recording

-gram

record, writing

electrocardiography

the process of recording electrical activity generated by the heart

electrocardiogram

a record of electrical activity generate by the heart

ECG or EKG

electrocardiogram

tachy-

rapid

brady-

slow

sinus rhythm

normal heart rhythm

microcardia

abnormal smallness of the heart

megalocardia

an enlargement of the heart also known as cardiomegaly

angina pectoris

a heart condition marked by paroxysms of chest pain due to reduced oxygen to the heart

lumen

a cavity or passage in a tubular organ

CAD

coronary artery disease

Coronary Artery Disease

affects the arteries and may cause various pathological conditions, including a reduced flow of oxygen and nutrients to the myocardium

The most common type of CAD

coronary athersclerosis, the leading cause of death in the western wordl

ather/o

fatty plaque

scler-

hardening

-osis

abnormal condition

my/o

muscle

arteriosclerosis

abnormal condition of arterial hardening

atherosclerosis

abnormal condition of fatty plaque hardening

necr/o

death or necrosis

necrectomy

excision or removal of dead tissue

necrophobia

fear of death

cardiac

pertaining to the heart

necrosis

abnormal condition of tissue death

necrosis of the myocardium

occurs when there is insufficient blood supply, may result in cardiac failure and death

myocardial infarction (MI)

caused by an occlusion of one or more coronary arteries

Infarct

localized necrosis resulting from obstruction of the blood supply (ischemia)

thrombus

condition of a blood clot

-us

condition, structure

thromb/o

blood clot

thrombectomy

surgical excision of a blood clot

thrombosis

condition in which a stationary blood clot obstructs a blood vessel at the site of its formation

thrombi

pleural for thrombus

anti-

against

thrombogenesis

producing or forming a blood clot

anticoagulant

to prevent coagulation, the physician uses an agent known as an --- ----------

thrombolysis

destruction or dissolving of a thrombus

aortic aneurysm

a ballooning out of the wall of the aorta

aortic

pertaining to the aorta

hemorrhage

bursting forth (of) blood

cerebral

pertaining to the cerebrum

aneurysm

dilation of a vessel caused by weakness

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