Clinical Settings

Neuropsychology

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"Healing is a matter of time, but it is sometimes also a matter of opportunity."

— Hippocrates

Home • Medications • QT Prolongation Tool

QT Prolongation Clinical Decision Support

Evidence-based QT prolongation risk assessment for psychiatric medications

Clinical Note: This tool integrates CredibleMeds.org classifications, FDA warnings, and current evidence to support clinical decision-making. Always consider individual patient factors and consult cardiology when indicated.

Tisdale QT Risk Score Calculator

Calculate patient-specific risk for QT prolongation before prescribing

Patient Demographics

Age ≥68 years +1 point

Female sex +1 point

Medications

Loop diuretic use +1 point

One QT-prolonging drug +3 points

≥2 QT-prolonging drugs +6 points

Laboratory Values

Potassium ≤3.5 mEq/L +2 points

Admission QTc ≥450 ms +2 points

Clinical Conditions

Acute myocardial infarction +2 points

Sepsis +3 points

Heart failure +3 points

Total Tisdale Score: 0 points

Low Risk

15% QTc prolongation incidence

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