Modified 9-lead Diagnostic ECG Using the Physio-Control LP10 “Old dog tricks” Gary Denton

Test Confirm option is activated Press RECORD for seconds DIAG should appear on screen.

If DIAG does not appear... YOU MUST LOAD THE OPTION

To activate diagnostic quality option... Locate LP 10 programming key

Place battery into slot one. Turn power off Insert LP 10 programming key into AUX port

Turn Power Switch to BATT 1 & Remove key

Verify o01 appears on status display Press ECG SIZE to change option status to o01

Verify 1 appears in upper right screen Press QRS VOL until # 1 appears in upper right screen

Set Option Press CAL, BEEP will sound. Option is now loaded

Confirm option is activated Press RECORD for seconds DIAG should appear on screen.

Obtaining the Diagnostic ECG Go directly to these steps if DIAG option is already activated on your LP10

Place Electrodes

Place Lead Wires

Select Lead 1

Select DIAG option This activates the recorder Press RECORD for seconds DIAG should appear on screen.

Scroll through leads 1,2,3 (recorder will be on)

Watch for baseline to stabilize Obtain one full cardiac cycle for each lead

Leave switch in lead 3 position Manually obtain V-leads

Move from V-1 through V-6

Watch for baseline to stabilize Obtain one full cardiac cycle for each lead

Stop recorder when complete

Mark leads with pen

Cut and Paste ECG

Diagnostic 9 Lead Advantages Can be done with existing equipment Provides adequate diagnostic picture for AMI Requires no special equipment

Diagnostic 9 Lead Disadvantages Does not produce a “standard format” ECG Take more time than conventional 12-lead Harder to mount and label Often rejected by ED staff Lacks leads aVR, aVL, and aVF No computer interpretation