Clinical Tools
QTc Calculator & Tisdale Risk Score for Drug-Induced QT Prolongation
Calculate corrected QT interval (Bazett, Fridericia, Framingham formulas), Tisdale risk score for QTc prolongation in hospitalized patients, and reference lists of QT-prolonging psychiatric and non-psychiatric medications.
Open Interactive Tool
This tool runs in the PsychoPharmRef clinical reference application.
About PsychoPharmRef
PsychoPharmRef is a free clinical psychopharmacology reference built by Jerad Shoemaker, MD for psychiatrists, residents, and medical students. All tools are evidence-based and designed for point-of-care clinical decision support.
- 91 psychiatric medications with complete pharmacology data
- 15+ interactive clinical rating scales (PANSS, SLUMS, CDR, PCL-5, Y-BOCS, YMRS, BFCRS, AIMS, and more)
- Receptor binding profiles with bar chart and treemap visualization
- PK curve comparison tool with Bateman equation modeling
- P450 drug interaction checker
- QTc calculator with Tisdale risk scoring
- Medication taper and cross-taper planners
- 68 evidence-based clinical blog posts