Heart vocab
Blood pressure that is higher than normal
what is hypertension?
disorganized, ineffective quivering of the ventricles
what is ventricle fibrillation?
the max pressure exerted when the heart contracts
What is Systolic pressure?
heart rate: 40-60
what is the AV node?
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who is Ray?
rapid heart rate
what is tachycardia?
a disorder in which the heart loses part of its ability to pump blood resulting in a back up of fluid into the lungs
what is congestive heart failure?
time between heart contractions when the when the ventricle is relaxed and refilling with blood
what is diastolic pressure?
approximately how much blood percentage can be found in the veins?
what is the 70%?
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also who is ray?
blood pressure that is lower than normal
what is the hypotension?
complete blockage of a coronary artery
what is occlusion?
widening of a tubular structure such as a coronary artery
what is dilation?
heart rate: 60-100
what is the rate of the SA node?
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again ray?
abnormally slow heart rate
what is bradycardia?
when a diseased heart isn't able to pump out enough blood it receives from the lungs. causes excess amount of fluid; therefore, swelling
what is cardio edema?
Makes adjustments to the body when physical activity is increased also known as fight or flight system
what is the sympathetic nerve system?
approximately how much blood percentage is found in the heart, arteries and capillaries?
What is 30%?
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HR x SV = ?
Heart Rate- the number of times the heart contracts in 1 minute
Stroke Volume- the volume of blood pumped out by the left ventricle in one contraction
what is cardiac output?
a disorder where cholesterol builds up and forms plaque inside of a blood vessel
what is atherosclerosis?
Slows heart and respiratory rate, constricts blood vessels in the muscles, and dilates blood vessels in the digestive system
what is the parasympathetic nervous system?
transient(short-lived) chest discomfort caused by a partial or temporary blockage of blood flow to the heart muscle
what is angina pectoris?
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