© Midmark Corporation 2016
• None
• Bazett (QTcB)
• Framingham (QTcFh)
• Fridericia (QTcFd)
• Hodges (QTcH)
QTc 1 default is Hodges (QTcH).
QTc 2 default is None.
These settings determine what QTc equation(s) to include in
the report.
Bazett:
“QTcB = QT/√RR,” where RR is in seconds;
Framingham:
“QTcFh = QT + 0.154 (1000 – RR),” where RR is in
milliseconds;
Fridericia:
QTcB = QT/√RR, where RR is in seconds;
Hodges:
“QTcH = QT + 1.75 (HR – 60),
Where RR is the R-R interval and HR is the averaged heart
rate in beats per min. QTc is expressed in milliseconds.
NOTE: Any changes to QTc 1 and QTc 2 settings will apply to
the ECG report if the report is edited.
• Standard 12-Lead (V1,V2,V3,V4,V5,V6)
• Modified 12-Lead (V3R,V1,V2,V5,V6,V7)
Default is Standard 12-Lead.
Select one of the two choices to be the default resting ECG
lead group.
NOTE: This setting does not affect STAT ECG. STAT ECG
assumes the standard 12-lead ECG placement.
NOTE: Modified 12-Lead ECG lead group does not generate
automatic interpretations.
Printer Settings
In the Printer Format Settings section of the ECG Settings window, you can select the default ECG report format.
The Rhythm Lead V3 (V3R) specifies that Lead V3 if Standard 12-Lead (V1,V2,V3,V4,V5,V6) is selected when a new ECG test is
started; it specifies that Lead V3R if Modified 12-Lead (V3R,V1,V2,V5,V6,V7) is selected. V4 (V7) has a similar definition.
The Rhythm Lead Group V1, V2, V3 (V3R, V1, V2) specifies that V1, V2, V3 if Standard 12-Lead is selected; it specifies V3R, V1, V2 if
Modified 12-Lead is selected. The Rhythm Lead Group V4, V5, V6 (V5, V6, V7) has a similar definition.
For all pacemaker patients, it is strongly recommended that
the ECG be performed with all filters turned
off, particularly the
muscle filter.
Any artifacts in the ECG should be corrected at the source.(i.e.,
making sure that the electrode sites are clean of lotion or body
hair, and that the electrodes are fresh and sticky and are adhering
properly on the skin).
The patient should be supine, relaxed, and not talking. Refer to
“ECG Signal Quality Problems” in the Troubleshooting Guide for
more details.
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