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OEC Chapter 15: Cardiovascular Emergencies
Terms in this set (48)
Specific kind of EMS care that authorized providers can administer to install airways, IVs, and medication
Location of the heart
Behind and to the left of the sternum
How many chambers are in the heart?
Left side of the heart
Receives oxygenated blood, and sends it to tissues in the body
Right side of the heart
Receives deoxyengated blood, and sends it to the lungs
upper chamber of the heart that receives and holds blood that is about to enter the ventricle
Bottom portion of the heart, thicker walled and larger
Divides the right and left chambers of the heart
Valves located between the atrial and ventricular chambers on each side of the heart, prevent backflow into the atria when the ventricles are contracting.
flow of deoxygenated blood
enters the heart through the superior vena cava and inferior vena cava to the right atrium to tricuspid valve to right ventricle to pulmonic valve to pulmonary artery to lungs
Flow of oxygenated blood
Pulm. veins—>L atrium—> mitral valve—>L ventricle—> Aortic valve—>Aorta—>Systemic circulation
Largest artery in the body
muscular, middle layer of the heart
tubelike structures that carry blood throughout the body
A blood vessel that carries blood away from the heart
Blood vessels that carry blood back to the heart
Microscopic vessel through which exchanges take place between the blood and cells of the body. Walls are only one cell thick
small vessels that receive blood from the arteries
small vessels that gather blood from the capillaries into the veins
coronary artery disease
atherosclerosis of the coronary arteries that reduces the blood supply to the heart muscle
condition in which fatty deposits called plaque build up on the inner walls of the arteries
congestive heart failure
A condition resulting from the heart's inability to pump out all the blood that returns to it; blood backs up in the veins leading to the heart, causing an accumulation of fluid in various parts of the body
sudden blockage of an artery, resulting in dead tissue
CPR (cardiopulmonary resuscitation)
refers to medical procedures used when a person's heart and lungs have stopped working
automated external defibrillator
high blood pressure. caused by high salt intake, or kidney disease
systolic blood pressure
the pressure created in the arteries when the left ventricle contracts and forces blood out into circulation
diastolic blood pressure
the pressure remaining in the arteries when the left ventricle of the heart is relaxed and refilling
fluid in the air sacs and bronchioles usually caused by failure of the heart to pump enough blood to and from lungs
chest pain that results when the heart does not get enough oxygen
an inadequate blood supply to an organ or part of the body, especially the heart muscles.
the occlusion of one or more coronary arteries caused by plaque buildup (heart attack)
Abnormal heart rhythm
the rapid, irregular, and useless contractions of the ventricles
a very rapid heartbeat that begins within the ventricles
slow heart rate below 60bpm
fast heart rate above 100bpm
A state in which not enough oxygen is delivered to the tissues of the body, caused by low output of blood from the heart. It can be a severe complication of a large acute myocardial infarction, as well as other conditions.
sudden cardiac arrest
Occurs when the heart develops an abnormal rhythm and can't pump blood
a condition in which the heart has ceased generating electrical impulses. Commonly called flatline
stationary blood clot
A clot that breaks lose and travels through the bloodstream.
deep vein thrombosis
blood clot forms in a large vein, usually in a lower limb
A blood clot that breaks off from a large vein and travels to the blood vessels of the lung, causing obstruction of blood flow.
inflammation of the membrane surrounding the heart
A weakness in the wall of the aorta that makes it susceptible to rupture.
ballooning of a weakened portion of an arterial wall
a disease of the arteries characterized by the deposition of plaques of fatty material on their inner walls.
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