Ramsey Electronics MR6 Bedienerhandbuch PDF herunterladen (Seite 20)

ECG1 • 20

USING YOUR ECG1 ELECTROCARDIOGRAM

Now we’re ready for the moment of truth, the initial power up and running of

your ECG1. Be ready to energize the unit by installing a fresh 9 volt battery in

place and connected to the snap tab. You may want to install a set of

headphones or small speaker to the audio out jack as well. Start with both the

volume and gain set to the lowest (rotate CCW) positions.

ELECTRODE PLACEMENT FOR OPTIMUM PERFORMANCE

There really aren’t too many “wrong ways” to hook up your electrodes, and

since we figure you are a full fledged experimenter (you did build this kit!) we

realize that you will be tinkering around with your electrode placement.

A few of the test books and web sites consulted did recommend some

placement positions so these will be included with the text. It was emphasized,

however, that multiple placements of electrodes could give insights to the

operation of the heart muscle. Just as a

picture of a jumbo jet head-on can look quite

different than one from an oblique angle, EKG

results from different places can give clues to

the overall operation of the heart.

The “classic” method of probe connection is

the “limb leads”, first used by Dr Einthoven

himself. Remove three of the sensor tabs from

the sheet provided and attach to your skin in

the appropriate places.

Some various other positions for electrode

placement are as follows using the “trunk”

method of placement.

Once the tabs have been attached, clip the

red electrodes to the active positions, and the

black electrode to the

ground position.

Depress the power switch to

activate the kit. Increase the

gain adjustment until you

observe the LED blinking at

a repetitive rate, then adjust

the volume to hear the

pulses.

Congratulations Doctor, you are the proud owner of your very own EKG

Electrode

Ground Electrode

Limb Lead Electrode placement

Ground Electrode

Modified Limb Lead Electrode placement

Ground Electrode

Electrode positions 1-6

1 2 ... 15 16 17 18 19 20 21 22 23 24

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