Anatomical Orientation
Where is the heart located?
Mid-left thoracic cavity
What is the function of the vena cava?
Carries blood back from the body to the heart
What is the pulmonary circuit?
blood flows from the heart to lungs and back to the heart
What is a cardiac cycle?
period between start of one heartbeat to the next
What is Auscultation?
listening to sounds inside the body with stethoscope
Where is the heart enclosed in?
What does the pulmonary trunk and arteries do?
carries blood from the heart to the lungs
What is the systemic circuit?
blood flow from heart to body tissues then back to the heart
What is brachycardia?
abnormally low HR, less than 60 bpm
What is the S1 sound?
Atrioventricular valves close
What is the serous membrane around the heart?
Pericardium
What do the pulmonary veins do?
carry blood from the lungs
What is a atrioventricular valve?
allows blood flow from atria to ventricle, tricuspid and bicuspid
Average heartbeat per minute
60-100 bpm
What is the S2 sound?
Semilunar valves close
What are the 3 layers of the heart wall?
Epicardium, Myocardium, Endocardium
What does the aorta do?
carries blood from heart out to the body
What is a semilunar valve?
allows blood from from ventricles to outgoing vessels
What is tachycardia?
abormally high HR, higher than 100 bpm
What is a heart murmur and its indictions?
unusual heart sounds, indicates defect, valve function, stiff valve, regurgitation, hole in septa
What are the two layers of the pericardium?
What are the coronary arteries?
blood vessels that supply cardiac muscle with O2 and nutrients
What is regurgitation?
What odes systole and diastole?
heart contracts and blood leaves chambers, heart relaxes and chambers refill
What is Natalie’s heart issue?
idk either