Ch 9 - Cardiovascular System (Cardiology) Flashcards
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the heart is divided into how many chambers?
4
atira
(left and right) receiving rooms of the heart
ventricle
(left and right) sending rooms of the heart
septum
divides left and right sides of the heart, made of thick muscle
the left side of the heart does what?
handles oxygen-rich blood
the right side of the heart does what?
handles oxygen-poor blood
arti/o
atrium (upper chamber)
sept/o
septum
ventricul/o
ventricle (lower chamber)
cardi/o
heart
coron/o
heart
angi/o
vessel
vas/o
vessel
vascul/o
vessel
aort/o
aorta (the main artery leaving the heart and distributing oxygen-rich blood)
angina pectoris
oppressive pain in the chest caused by irregular blood flow to the heart
arrhythmia
irregular heartbeat (no/rhythm/condition)
dysrhythmia*
irregular heartbeat (bad/rhythm/condition)
(*arrhythmia is more common)
palpitation
rapid or irregular beating of the heart (latin for “to flutter”)
pectoralgia
chest pain
systole
the phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries
what is the first number in a blood pressure reading?
systole (contraction phase of heart)
diastole
the relaxed phase of the cardiac cycle when the chambers of the heart are re-filling with blood
what is the second number in a blood pressure reading
diastole (the relaxed phase)