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heart
  • four chambered, hollow muscular pump that circulates blood throughout the cardiovascular system
  • the center of the cardiovascular ystem from which the carious blood vessels originate and later return
  • slightly larger than a man's fist and weighs 300g in adult male
  • slightly to the left of the midline of the body and shaped like an inverted cone with its epex downward

Heart
hollow muscular pump that circulates blood throughout the cardiovascular system
arties
branching system of vessels that transports blood from the right and left ventricles of the heart to all body parts
veins
vessles that transport blood from peripheral tissues to the heart
capillaries
microscopic blood bessels that connect arterioles with venules; facilitate passage of life-sustaining fluids containing oxygen and nutrients to cell bodies and the removal of accumlated waste and carbon dioxide
layers of the heart
  • endocardium
  • myocardium
  • pericardium
endocardium
the inner lining of the heart
myocardium
the muscular middle layer of the heart
pericardium
the outer membranous sac surround the heart
septum
the double pump that is divided into the left and right partition
ineratrail septum
separates the upper chambers

atria
atria
upper chamber
ventricles
lower chambers
interventricular septum
separates the lower chambers


ventricles
The ______ recieves blood from the various parts of the body where as the ________ pumps blood to body parts
  • atria
  • ventricles
right atrium

RA
  • right upper portion of the heart
  • thin-walled space that receives blood from all body part except the lungs
  • superior and inferior vena cavae are the two larg veins that bring blood into the right atrium
right ventricle

RV
  • right lower portion of the heart
  • receives blood from the right atrium through the atriovavlve and pumps it through a smilynar valvue to the lungs
left atrium

LA
  • left upper portion
  • receives blood rich in oxygen as it returns from the lungs via the left and right pulmonary veins
left ventricle

LV
  • receives blood from the left atrium theough an atrioventricular AV valve
  • pumps it through a semilunar valve to the aorta
  • aorta - large arttery
  • from the aorta the blood is pumped to all other body parts except the lungs
blood pressure

  • the pressure exerted by the blood on the walls of the vessels
  • the term commonly refers to the pressure exerted in large arteries at the peak of the pulse wave, measured with the sphygmomanometer
sphygmomanometer
instrument used to measure arterial blood pressure
stethoscope
instrument used to listen to the sounds of the heart, lungs and other internal organs
blood pressure



part 2
  • reported in millimeters of mercury
  • with a pressure cuff, circulation is interupted in the brachial artery above the elbow
  • pressure is shown on the graduated column of the sphy.
  • as the pressure is released blood flows past the cuff
  • by using a stethoscope a heart beat can be heard and can record the systolic pressure
  • continued release of pressure results in change of heart beat sound from loud to soft and which point the diastolic pressure can be recorded
  • systolic/diastolic (mm Hg)
  • typical blood pressure is 120/8- mm Hg
ACG
angiocardiography
AMI
acute mycardial infarction
BP
blood pressure
CABG
coronary artery bypass graft
CHD
coronary heart disease
CHF
congestive heart failure
ECG

EKG
electrocardiogram
FHS
fetal heart sound
HBP
high blood pressure
HF
heart failure
Hgb
hemoglobin
MRI
magnetic resonance imaging
OHS
open heart surgery
SOB
shortness of breath
anastomosis
surgical connection between blood vessels or the joining of one hollow or tubular organ to another
aneurysm
sac formed by a local widening of the wall of an artery usally caused by injury or disease
angiocardiography

ACG
process of recording the heart and cessles after an intravenous injection
angioplasty
surgical repair of a blood vessle or a nonsurgical technique for treating disease arteries by temporarily inflating a tiny balloon inside an artery
arrhythmia
lack of rythm of the heartbeat


  • dysrhythmia
arterial
pertaining to an artery
arteriosclerosis
hardening of arteries
atheroscierosis
condtion of the arteries characterized by buildup of fatty substances (cholesterol depostis and triglycerides) and hardening of the walls
auscultation
physical assessment using a stethoscope to listen to sounds within the chest, abdomen and other body parts
bradycardia
abnormally slow heartbeat that is less than  beats per minute
bruit
a sound of venous or
arterial origin heard on auscultation
cardiologist
physician who specializes in the study of the heart
cholesterol


chol
  • waxy, fatlike substance in the bloodstream
  • dangerous when builds uo on arterial walls and contributes to the risk of coronary heart disease
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