unit 15: Cardiovascular System Flashcards
(50 cards)
arrhythmia
abnormal heart rhythm
arteriosclerosis
hardening of arteries
atherosclerosis
fatty deposits causing hardening
atrioventricular block
partial or complete block of electrical impulses to the atrioventricular node
bradycardia
slow heart rate
cardiac asthma
breathing difficulties due to pulmonary swelling
cardiac decompensation
inability of the heart to maintain adequate circulation
cardiac reserve
ability of the heart to respond to increased demand beyond its usual workload
commissurotomy
incision into a commissure - site of junction between adjacent cusps
dextra cardia
heart shifted to the right
diastole
where the heart relaxes between contractions
edema
swelling
extrasystole
premature heart contraction
fibrillation
rapid contractions of muscular fibrils, but not of the muscle as a whole
flutter
contractions are rapid but regular
hypostasis
poor or stagnant circulation
hypoxia
low levels of oxygen
infarction
tissue necrosis caused by lack of blood supply
ischemia
insufficient blood supply to an organ
orthopneic position
upright position
palpitation
unusually rapid, strong, or irregular heartbeat
polycythemia
increase in red blood cell mass
pulse deficit
difference between the apical and radial pulse
sinoatrial block
failure of an impulse to the the sinoatrial node