A Heart is a House
The upper chambers of the heart
What are the atria?
Known as the functioning units of the Cardiovascular System, this is where Systemic Circulation takes place.
What are the capillaries?
Responsible for atrial contraction
What is the sinoatrial (SA) node?
Marks not caused by the heart but by some other source of movement or electrical activity
What is artifact?
Medical term for heart attack
What is myocardial infarction?
Responsible for transporting nutrients and other elements to and from the body tissues.
What is the blood?
The movement of blood in Coronary circulation.
What is to and from the heart muscle?
Responsible for signaling the SA node.
What is the Vagus nerve?
unwanted markings on the ECG tracing caused by other electrical sources
What is AC interference?
Decrease or low concentration of oxygen in the blood
What is hypoxia?
The purposes of the pericardium.
What is to protect from trauma and infection?
The category under which the tricuspid and bicuspid falls.
What are atrioventricular valves?
The heart's ability to create its own electrical impulse.
What is automaticity?
When the tracing of an ECG drifts away from the center of the paper; also called baseline shift
What is wandering baseline?
Increase of blood flow in the vessels
What is hyperemia?
Responsible for supplying blood to the entire body
What is the left ventricle?
The volume of blood ejected with each contraction
What is the stroke volume?
The ability of the heart muscle cells to shorten in response to an electrical stimulus
What is contractility?
Voluntary or involuntary muscle movement; also known as body tremor
What is somatic tremor?
The area between the fifth and sixth ribs
What is the 5th intercostal space?
The fiber optic structures imbedded in the ventricles that make them contract.
What are purkinje fibers?
The volume of blood pumped each minute
What is cardiac output?
The ability of the heart muscle cells to respond to an impulse or stimulus
What is excitability?
A dysrhythmia recognized by being grossly irregular
What is Afib?
Decrease in blood flow due to a blockage
What is ischemia?