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CCMA CH 13

CCMA CH 13 REVIEW

TermDefinition
therapeutic communication pt that can verbalize ask "what is your name"?" "what is your birthdate?"
dementia and identifying pt family members can ID patients
Electrical Current (Shock) explain to pt that no electrical current goes through the body during the procedure; procedure is harmless
telemetry monitoring electrodes placed on pt and connected to small, battery powered transmitter that sends electrical signals to monitor screen that's usually located at nurses station in hospital setting where pt is constantly monitored
multichannel EKG machine recorder that monitors all 12 leads at once but can also record 3, 4, and 6 leads at a time
ECG paper moves at _____ 25mm/second
normal amplitude 10mm or 1mv
vertical axis represents gain or amplitude
small horizontal squares on EKG paper .04 sec
EKG pt education instruct pt to avoid applying any substances to the skin (lotions, powders, oils, or ointments) prior to testing
bipolar leads are... leads 1, 2, 3 (recording of electrical current involving both positive and negative pole)
Lead 1 (Bipolar) records electrical between.... left and right arms
Lead 2 (Bipolar) records electrical between... left leg - positive right arm - negative
Lead 3 records electrical activity between... left arm and left leg
Unipolar Leads aVR, aVL, aVF (recording from one location or one pole)
Augmented Leads leads created by combining two of the three limb leads to create a positive electrode. Third creates negative electrode
aVR lead lead aVR: the left arm and left leg assist with right arm tracing
aVF lead lead aVF: from both arms to the feet, usually positive assist with the left leg tracing
aVL lead lead aVL: records electrical activity from left leg to the left arm
Limb leads white - right arm black - left arm precordial red - left leg green - right leg
Precordial Leads Six EKG leads placed on anterior chest to record electrical activity of the heart, mainly
Created by: linju156
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