The root word for heart is called this
What is cardi/o
The letters ECG stand for this
What is electrocardiogram
This is an abnormality in the timing or pattern of the heartbeat.
What is an arrythmia
How many chambers does the human heart have
What is 4
This is a structure that prevents blood from flowing backwards in the heart
What is a valve
Any movement away from the baseline in the tracing, either up or down, is known as this
What is deflection
This is a life-threatening condition where the heart's lower chambers quiver instead of pumping blood
What is ventricular fibrillation
What are the three layers of the heart wall called
What is epicardium, myocardium, and endocardium
This term refers to an abnormally slow heartbeat
What is bradycardia
A period of time between two points or events
What is an interval
This disorder is where the upper chambers of the heart (atria) beat irregularly and rapidly
What is Atrial Fibrillation
Pulmonary veins carry ______ blood while pulmonary arteries carry _____ blood
What is oxygenated and deoxygenated
This is where the blood enters the heart.
What is the superior vena cava
Blood vessels that carry blood back to the heart are known as these
What are veins
This is a deflection from the baseline. ie P, Q, R, S, and T
What is a wave
These are extra heartbeats that originate in the ventricles (lower chambers of the heart) before the next regular heartbeat
What are proventricular contractions (PVC'S)
Blood vessels that carry blood away from the heart to the body are known as these
What are arteries
This is the other name for the bicuspid valve.
What is the Mitral valve?
This term refers to an abnormally fast heartbeat
What is tachycardia
These are the three states in which cardiac cells go through in order to produce a heartbeat
What is polarization, depolarization, and repolarization
This lethal arrythmia is also called "flatline"
What is asystole
This is specialized muscle fibers that carries electrical impulses from the atria to the ventricles of the heart
What is the Bundle of His