An electrocardiogram (ECG or EKG) is a test that checks how your heart is functioning by measuring the electrical activity of the heart. With each heartbeat, an electrical impulse (or wave) travels through your heart. This wave causes the muscle to squeeze and pump blood from the heart.

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2. EKG machine
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3. EKG machine
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An electrocardiogram — abbreviated
as EKG or ECG — is a test that
measures the electrical activity of
the heartbeat. With each beat, an
electrical impulse (or “wave”)
travels through the heart.

4. EKG - view
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During a heart
attack, the EKG
machine records
the changing
pattern of the
heart's electrical
activity

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EKG – perform
Electrodes are taped to your chest to record
the heart's electrical signals, which cause the
heart to beat.
The signals are shown as waves on an
attached computer monitor or printer

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EKG – waves
The P wave followed by the QRS complex and
the T wave.
The first deflection is the P wave associated with
right and left atrial depolarization.

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EKG– perform

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EKG – Multichannel
The Multichannel ECG consists
several amplifier channels and a
corresponding number of recording
pens. This facilitates recording of
several ECG leads simultaneously
and thus considerably reduces the
time required to complete a set of
recordings.

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EKG – print

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