2 results
QT/QTc- Interval
•	Start of Q-wave to end of the T-wave (time of ventricular depolarization + repolarization).
•	Life threatening
Methods of calculating ... formula, QTc = ... • Fridericia formula ... • Rautaharju formula ... Hodgesformula #Framinghamanalysis
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Epidemiology and Biostatistics ... PPV: proportion ... NPV: proportion ... #Epidemiology #Biostatistics ... #formulas #calculations