lab quiz #9 Flashcards
angina pectoris
acute chest pain that occurs when the myocardial demand exceeds its oxygen supply
aortic stenosis
calcification of aortic valve cusp that restricts forward flow of blood during systole
apical impulse
point of maximal impulse (PMI), pulsation created as the left ventricle rotates against the chest wall during systole, normally at the 5th left intercostal space in the midclavicular line
base (of the heart)
broader area of the hearts outline located at the 3rd right and left intercostal space
bradycardia
slow heart rate less than 50 beats per minute
cyanosis
dusky blue discoloration of the skin, deoxygenated hemoglobin in blood
bell of stethoscope
cup shaped end piece used for soft, low pitched heart sounds
diaphragm of stethoscope
flat end piece of stethoscope used for hearing relatively high pitched heart sounds
diastole
hearts filling phase, bottom #
dyspnea
difficult breathing
gallop rhythm
addition of 3rd or 4th heart sound, makes the rhythm sound like the cadence of a galloping horse
edema
swelling of legs or dependent body part due to increased interstitial fluid
palpitation
uncomfortable awareness of rapid or irregular heart rate
precordium
area of chest wall overlying the heart and great vessels
syncope
temporary loss of consciousness due to decreased cerebral blood flow, fainting