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Measurements

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PR interval -
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Apart from the standard 12 leads, additional leads are sometimes useful in the diagnosis of various conditions. These include right sided chest leads, posterior leads and elevated leads. Although ideally these should be recorded by placing electrodes in these locations, they can be derived from the standard leads. Here, right sided (V3R, V4R, V5R and V6R), posterior (V7, V8 and V9) and elevated leads (V1+1, V2+1, V1+2, V2+2) are derived and displayed. See here for more details.

Frontal loop
Sagittal loop
Vector leads
P wave
QRS complex
ST-T segment

WPW - Left Posterior Accessory Pathway

Preexcitation is seen with positive delta wave in V1 consistent with a left sided accessory pathway. Delta wave is negative in inferior leads indicating a posterior location on the left side.


Name: Anon
Sex: M
Date: 03-09-2021 11:16
Recorded on: Biocare ECGS12A
Filters:

  • Low pass filter - 35 Hz
  • High pass filter - 0.5 Hz
  • Notch filter - 50 Hz