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15 Cards in this Set

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This is a single beat caused by a premature contraction of electrical activity other than/outside the SA node?
ectopic focus
When the heart rate drops below 60 bmp and regular, but follows rules of NSR is called?
Sinus Bradycardia
When the heart rate is greater than a 100bmp, and follows rules of NSR is called?
Sinus Tachycardia
Where is the SA node located?
In the upper portion of the right atrium.
This means the ability of the heart cells to rec'v and transmit and electrical impulse?
Conductivity
The ability of the heart muscle cells to respond to an impulse or stimulus?
Excitability
The ability of the heart muscle cells to shorten in response to electrical stimulus is called?
Contractility
When the heart contracts & squeezing blood out to body is called?
Systole
Whent the heart relaxes, it is expanding & refilling is called?
Diastole
What side of the heart pumps Oxygenated blood to the body tissues?
Left side
What side of the heart pumps deoxygenated blood to the lungs?
Right side
What are the top chambers of the heart called?
Right & Left atrium.
What are the lower chambers of the heart called?
Right & Left ventricle. Left V is known as the "workhorse of the heart" because of its thick myocardium & powerful contraction.
What valve is located between the r atrium and R ventricle?
Tricuspid valve
What valve is located between the L atrium and L ventrical?
Mitral (bicuspid) valve