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A & P Ch 11
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beginning of the heart formation in utero
primitive heart tube
continuation of the umbilical cord
ductus venosus
connects pulmonary artery with the descending thoracic aorta
ductus arteriosus
opening in the interatrial septum
foramen ovale
drains excess fluid in the pericardium
pericardial window
located in the R atrial wall, natural pacemaker
Sinoatrial node (SA)
node located in the atrial septum
atrioventricular node AV
located in the interventricular septum
bundle of His
disturbances in normal heart rhythm, decrease cardiac output, damage to the myocardium and leads to cardiac arrest
cardiac dysrythmias
most common, found in young adults and elderly, variation in heart beat, benign, no treatment
sinus dysrhythmias
100BPM or more
sinus tachycardia
60BPM or less
sinus bradycardia
amt of blood ejected from either the L or R ventricle in 1 beat
cardiac output
records the electrical activity of the heart
electrocardiogram
represents atrial depolarization
P wave
represent ventricular repolarization
T wave
represents ventricular depolarization
QRS wave
BLOOD FLOW
R atrium
tricuspid valve
R ventricle
Pulmonary semilunar valve
pulmonary trunk
pulmonary arteries
lungs
pulmonary veins
L atrium
bicuspid (mitral) valve
L ventricle
aortic semilunar valve
ascending aorta
aortic arch
body cells
inferior/superior vena cava
R atrium
Author
o904halo
ID
29741
Card Set
A & P Ch 11
Description
heart
Updated
2010-08-12T21:44:29Z
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