Lead Placement
Number of electrodes used in a standard 12-lead EKG
What is 10
Why should the patient be in a supine position for a 12-lead?
What is to get an accurate reading of the heart’s electrical activity?
Always do this before and after patient contact
What is wash your hands
You notice a wandering baseline—what might be the cause?
What is loose lead or patient movement?
Paper speed setting used for most adult EKGs.
What is 25 mm/sec?
Correct placement of V4
What is 5th intercostal space, midclavicular line?
One thing to do if the patient has chest hair interfering with electrode contact
What is shave or trim the hair
This type of precaution is used for every patient.
What are standard precautions?
What does an interrupted tracing mean?
What is a disconnected or broken lead wire?
What does the gain setting adjust?
What is the amplitude or height of the waves?
What limb leads form Einthoven's triangle?
What are leads I, II, and III?
What should you ask the patient to do if motion artifact is present?
What is stay still or hold breath?
If a lead wire touches the floor, what should you do?
What is disinfect or replace it?
You see AC interference—what’s likely the cause?
What is nearby electronics or power cords?
This setting helps identify pacemaker spikes
What is increasing the gain or sensitivity?
Where should limb leads be placed if the patient has an amputation?
What is on the torso
What should you do if the patient refuses the procedure?
What is respect the refusal and notify the provider?
What PPE should be worn for a patient with contact precautions?
What are gloves and gown?
What should you do if a patient has tremors during the test?
What is provide a blanket or support limbs?
If a wave is too small to see, what should you change?
What is increase the gain/amplitude?
What is the electrode position for lead V1
What is 4th intercostal space, right sternal border
One way to reduce skin impedance before placing electrodes.
What is clean the skin with alcohol and gently abrade it?
This must be done to reusable EKG equipment between patients
What is proper disinfection or sterilization?
How do you verify lead connection accuracy before printing?
What is check electrode placement and signal preview?
This part of the machine converts electrical signals into waveforms
What is the amplifier?