Guidance on requirements for QTc measurement in ECG monitoring when introducing new drugs and shorter regimens for the treatment
![PSA: don't withhold a QT prolonging drug just because the computer calculated a QTc above 450-460 ms. The computer correction is usually (>50% by t - المسلسل من Isaac Lamb, MD @IsaacLamb01 - PSA: don't withhold a QT prolonging drug just because the computer calculated a QTc above 450-460 ms. The computer correction is usually (>50% by t - المسلسل من Isaac Lamb, MD @IsaacLamb01 -](https://pbs.twimg.com/media/FhZEttiXwAEs1Tl.jpg)
PSA: don't withhold a QT prolonging drug just because the computer calculated a QTc above 450-460 ms. The computer correction is usually (>50% by t - المسلسل من Isaac Lamb, MD @IsaacLamb01 -
![Optimal QT interval correction formula in sinus tachycardia for identifying cardiovascular and mortality risk: Findings from the Penn Atrial Fibrillation Free study. - Abstract - Europe PMC Optimal QT interval correction formula in sinus tachycardia for identifying cardiovascular and mortality risk: Findings from the Penn Atrial Fibrillation Free study. - Abstract - Europe PMC](https://europepmc.org/articles/PMC4724451/bin/nihms736390f2a.jpg)