Definitions
Common Abnormal Heart Sound
Heart Murmur
What is the amount of valves in the heart?
4
What is the primary function of the heart?
To pump blood to the entire body via heartbeats
What age do heart problems usually develop?
Late adulthood (~65+)
What tool is used to listen to the sounds of the heart?
Stethoscope
What does (CAD) stand for
Coronary Artery Disease
Which side of the heart is larger?
The left side
What is the system of the heart called?
The cardiovascular system (or circulation and blood vascular system)
What type of system controls the rhythm of the heart?
An electrical system
How many pumps are in the heart?
Two
Hardening of the Arteries
Atherosclerosis
Names of valves in the heart
mitral valve, tricuspid valve, pulmonary valve and aortic valve
The heart sends _________ and carries away __________
The heart sends oxygen and carries away unwanted carbon dioxide
A condition in which the force of the blood against the artery walls is too high.
High Blood Pressure
A complete heartbeat
Cardiac Cycle
a graphic record of the heart's electrical activity
electrocardiogram
How many layers are in the wall of the heart?
3
The hearts ability to contract by itself
autorhythmicity
How many gallons of blood (roughly) are pumped by the heart a day?
2,000
Fibers that initiate signals within the conduction system
pacemaker fibers
serious compression of the heart
cardiac tamponade
Names of the 3 layers of the wall of the heart
epicardium, myocardium, endocardium
What order does blood flow in the heart (valve to valve from in to out)
Enters the right atrium, flows to the tricuspid valve into the right ventricle, then to the pulmonic valve into the pulmonary artery.
How many heartbeats (roughly) does the heart beat a day?
115,000
What wave reflects repolarization of the ventricles?
The T Waves