Body-surface-area-normalized z-score for cardiac structures from the Pettersen (Detroit) regression model.
Written for clinicians. If you're a parent or patient, don't act on these numbers — talk to your child's doctor.
| Field | Unit | Notes |
|---|---|---|
| Structure | — | – |
| Measured dimension | cm | Centimetres, NOT millimetres (e.g. 1.2 not 12) |
| Body surface area | m² | Validated to BSA < 2.0 m² |
Body-surface-area-normalized z-score for cardiac structures from the Pettersen (Detroit) regression model.
Structure, Measured dimension (cm), Body surface area (m²).
BSA-based z-scores vary by reference model; confirm against your lab's standard. Not validated for BSA ≥ 2.0 m².
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Heart-rate-corrected QT interval by Bazett and Fridericia, from the measured QT and heart rate.
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Echocardiographic index of left-ventricular systolic function from M-mode dimensions.
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