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Med Term Ch 9

QuestionAnswer
Heart valve's purpose open and close to maintain the one-way flow of blood through the heart
How many heart valves are there and list them? Mitral Tricuspid Aortic Pulmonary
angi/o, vas/o, vascul/o vessel
ather/o fatty (lipid) paste
coron/o circle or crown
sphygm/o pulse
interatrial septum partition between the right and left atria
interventricular septum partition between the right and left ventricles
pericardium protective sac enclosing the heart composed of two layers with fluid between
visceral pericardium layer of the pericardium closest to the heart (visceral = pertaining to organ)
parietal pericardium outer layer (parietal=pertaining to wall)
pericardial cavity fluid-filled cavity between the pericardial layers
Diastole: period in cardiac cycle when blood enters relaxed ventricles from the atria
Systole: period in cardiac cycle when heart is in contraction and blood is ejected through the aorta and pulmonary artery
systemic circulation circulation of blood throughout the body via arteries, arterioles, capillaries, venules, and veins to deliver oxygen and nutrients to body tissues
coronary circulation circulation of blood through the coronary blood vessels to deliver oxygen and nutrients to the heart muscle tissue
pulmonary circulation circulation of blood from the pulmonary artery through the vessels in the lungs and back to the heart via the pulmonary vein, providing for the exchange of gases
blood pressure (BP) measure of the blood within the systemic arteries maintained by the force and rate of the heartbeat and the diameter and elasticity of arterial walls
normotension normal blood pressure
hypotension low blood pressure
hypertension high blood pressure
conduction of electrical impulses pathway: from the sinoatrial (SA) node (the pacemaker of the heart) ↓ to the atrioventricular (AV) node ↓ to the atrioventricular (AV) bundle (bundle of His) ↓ to the right and left bundle branches ↓ to the Purkinje fibers
CE angiotensin-converting enzyme
ACS acute coronary syndrome
ASD atrial septal defect
CABG coronary artery bypass graft
CAD coronary artery disease
CCU coronary care unit; critical care unit
CTA computed tomographic angiography
CHF congestive heart failure
Created by: 2068128180012120
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