Human Anatomy and Physiology, 9e

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BIO 212
ANATOMY PHYSIOLOGY II
LAB EKG and Blood Pressure
Dr. Lawrence G. Altman www.lawrencegaltman.com Som
e illustrations are courtesy of McGraw-Hill.
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See the You Tube Video on Lab Page
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EKG
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Arrhythmias
Ventricular fibrillation rapid, uncoordinated
depolarization of ventricles
Tachycardia rapid heartbeat
Atrial flutter rapid rate of atrial
depolarization
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Arrhythmias
Excellent EKG Exercise Link at our Lab website!
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BLOOD PRESSURE
measured with
sphygmomanometer
1st Korotkoff Sound
systolic pressure

artery has opened enough for blood to squirt
through.
Last Korotkoff Sound
diastolic pressure

artery completely opened no more turbulence in
blood.
Systolic BP - Diastolic BP PULSE PRESSURE
(actual working or driving pressure of the blood)
END