Signal-Averaged ECG Z-Scores

Gender-specific BSA-adjusted z-scores of various signal-averaged ECG measurements.

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Inputs

(important info about measurement input)

Gender:

BSA:

QRS Duration (unfiltered)

Z-Score:

QRS Duration (filtered)

Z-Score:

High Frequency/Low Amplitude

Z-Score:

RMS40

Z-Score:

Discussion

In children 5-15 years of age, both gender and BSA need to be taken into account when interpreting the SAEGG.

Z-scores between -2 and +2 are considered normal; greater than 2 (or less than -2) are considered abnormal.

Info

Normal values for the childhood signal-averaged ECG. Davis AM, McCrindle BW, Hamilton RM, Moore-Coleman P, Gow RM. Pacing Clin Electrophysiol. 1996 May;19(5):793-801.

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Brought to you courtesy of: Jeffrey M. Vinocur, M.D. and Dan Dyar, MA, RDCS.

Disclaimer: Not intended as clinical or surgical referral advice. Read full disclaimer here.