Module 6 Flashcards
cpr
cardiopulmonary recusitation
cvt
cardiovascular technician
ecg/ekg
electrocardiogram
sob
shortness of breath
coronary circulation
the heart’s own blood circulation
MI
myocardial infarction (heart attack)
coronary
blood flow through the vessels supplying the heart
visceral
pertaining to the internal organs
aorta
main trunk of the systemic arterial system
atrium
chamber where blood enters the heart on both the left and right sides
chordae tendineae
tendinous cords attaching the bicuspid and tricuspid valves to the heart wall
mitral
shaped like the headdress of a catholic bishop
vena cava
one of the two largest veins in the body
AV
atrioventricular
SA
sinoatrial; SA node= center of electric pulses within the heart; functions as the pacemaker
AV Bundle
pathway for electrical signals to be transmitted the the ventricles
diastole
relaxation of heart cavities during which they fill with blood
purkinje fibers
network of nerve fibers in the myocardium
sinus rhythm
normal heart rhythm arising from the sinoatrial node
systole
contraction of the heart muscle
2 words meaning abnormal sinus rhythm
arrhythmia and dysrhythmia
premature beats
arrhythmia that originates in either the atrium, ventricle or both
atrial fibrillation
A-fib; when the two atria quiver rather than contract in an organized fashion to pump blood into the ventricle.
ventricular arrhythmia
rapid heartbeat arising in the ventricles