100% client-side & Zero-PHI:Data stays in your local browser storage. Client-side processing by design — avoids server-side PHI ingestion. No login required.
QTc & BSA
QTc (multiple formulas) and BSA — logistics/admin aid only. No MRNs, names, or other identifiers.
QTc and BSA Calculations, Formula-Checked
QTc correction and body surface area estimates use several accepted formulas (Bazett, Fridericia, Mosteller, DuBois, and others), and protocols often specify which one to use — getting the wrong formula, or a manual arithmetic slip, can affect an eligibility or dosing decision.
QTc & BSA Calculators run the standard formulas instantly and clearly label which formula produced which result, so you can confirm you're using the one your protocol specifies.
Ephemeral and in-memory only — no values are stored or saved between sessions, no PHI, no login.
Who this is for: CRCs and site staff confirming eligibility or dosing calculations that depend on QTc or BSA values.
Inputs
Enter ECG-derived values only. Do not enter patient identifiers.
QTc results
Enter positive QT and heart rate values, or load the sample.