Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
28 Cards in this Set
- Front
- Back
|
the heart is located between the lungs in the lower portion of the |
mediastinum
|
|
|
the doctor listens to the chest wall which is over the |
apex of the heart |
|
|
how many chambers does the heart have |
2 upper, 2 lower, 4 total |
|
|
the atria |
is the upper, it recieves and doe NOT distribute |
|
|
the ventricles |
the lower part, distributes |
|
|
each chamber is lined by a this layer of very smooth tissue called |
endocardium
|
|
|
the covering is called, two layers of fibrous tissue with small space in between them |
pericardium
|
|
|
the inner layer of the pericardium is called the |
visceral pericardium or the epicardium |
|
|
may be caused by trauma, viral or bacterial infections, tumors and other factors |
pericarditis |
|
|
This is termed pericardial effusion,may develope into a serious compression of the heart |
cardiac tamponade |
|
|
contraction of the heart |
sytole |
|
|
relaxation of the heart |
diastole |
|
|
allowing some blood flow back into the chamber from which it came |
incompetent valves |
|
|
valves that are narrowower than normal, slowing the blood flow |
stenosed valves |
|
|
abnormal heart sounds |
heart murmurs |
|
|
"heart attack" |
myocardial infraction |
|
|
"hardening of the arteries" |
atherosclerosis |
|
|
angina |
chest pain |
|
|
72 heart beats |
cardiac cycle |
|
|
sinoatrial node |
pacemaker |
|
|
heart block, abnormality of the heart rhythm |
dysrhytmia |
|
|
slow heart rate, less then 60 |
bradycardia |
|
|
fast heart rate, more than 100 |
tachycardia
|
|
|
contractions that occur before then actual contraction |
premature contractions |
|
|
frequent premature contractions |
fibrillation |
|
|
volume of blood thats pumped by one ventricle per minute. Avg 5 L |
cardiac output (CO) |
|
|
left heart failure |
congestive heart failure |
|
|
which side gives out first |
the left side |
