This prefix means fast or rapid.
What is tachy-?
Any deviation from normal heartbeat rhythm
What is arrhythmia?
The outmost layer of the heart wall
What is the epicardium?
Part of the heart that divides the ventricles
What is the interventricular septum?
What is backflow?
This vessel brings blood back to the heart from the head, neck, and arms.
What is the superior vena cava?
The heart is innervated by this nervous system.
What is autonomic?
Cardiac cycle means one complete ____________
What is heartbeat?
The hollow core of a blood vessel.
What is the lumen?
This prefix means slow.
What is brady-?
This term means an area of damaged cardiac tissue, typically caused by inadequate blood flow.
What is an infarct?
Outmost layer of the pericardial sac
What is the fibrous layer or fibrous pericardium?
Irregular ridges of myocardium muscle
What is trabeculae carneae?
The AV valve between the right atrium and right ventricle
What is the tricuspid valve?
Blood flows returns from the lower body to the heart through this vessel.
What is the inferior vena cava?
The body's natural pacemaker
What is the sinoatrial (SA) node?
Phase of contraction
What is systole?
Microscopic vessels composed of simple, squamous cells.
What are capillaries?
Abnormal sound of the heart, like fluttering or whooshing.
What is a murmur?
Define cardiomegaly.
Cardiomegaly is the abnormal enlargement of the heart frequently associated with heart failure. The heart enlarges in an effort to compensate for its decreased pumping ability.
What is the myocardium?
The heart is situated in this area of the body, surrounded by the pericardial sac.
What is the mediastinum?
The AV valve between the left atrium and left ventricle. Give both names.
What is the bicuspid or mitral valve?
Oxygenated blood returns to the heart from the lungs from these 4 vessels
What are pulmonary veins?
This division of the nervous system slows the SA node down.
What is parasympathetic?
What is Diastole?
This vessel drains the organs of the digestive tract and then continues to the liver.
What is the hepatic portal vein?
This suffix means mixture or blending.
What is -crasia?
Reconstruction of a diseased coronary artery; surgical repair of a blood vessel
What is an angioplasty?
The walls of this chamber are thickest
What is the left ventricle?
These connect AV valves to papillary muscles
What are chordae tendineae?
True or False: the pulmonary semilunar valve is found in the right atrium.
What is False? Answer: Right ventricle
These vessels supply blood to the heart.
What are coronary arteries?
A bundle of nerves found at the bottom of the right atrium that receives signals from the SA node. Say the full name.
What is the atrioventricular (AV) node?
This is the duration of one average cardiac cycle
What is 0.8 seconds?
Capillaries are connected to veins by these vessels.
What are venules?
What is -graphy? Ex. electrocardiography
What is stenosis?
Thin, delicate, inner layer of the pericardium
What is the serous layer or serous pericardium?
Name the groove that externally separates the atria from the ventricles.
What is the coronary sulcus?
The tissue that makes up valves.
What is fibrous connective tissue?
Describe cerebral circulation.
This bundle distributes the impulse over the medical surfaces of the ventricles. (hint: medial surface means the inner surface between the two ventricles; facing toward the center of the heart)
What is the bundle of His?
These fibers stimulate the ventricles to contract. Spell it correctly.
What are Purkinje fibers?
This tunica is composed of a single layer of endothelial cells
What is the tunica intima?