14 results
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
JTc=QTc-QRS When ... #JTInterval #QTc ... #electrocardiogram ... #pathophysiology ... #ekg #ecg #cardiology
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... prolongation of the QTC ... #QTc #Interval ... Measurement #WideQRS #cardiology ... diagnosis #ecg #ekg #electrocardiogram
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... Bazett's Formula: QTc ... #QTc #Interval ... #Measurement #cardiology ... diagnosis #ecg #ekg #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
/QTC Interval: ... • QT interval is ... in women • QTc ... Interpretation #ECG #Electrocardiogram ... #cardiology #diagnosis
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
QT / QTc Interval ... calculate the QTc ... #QTc #Interval ... Irregular #Rhythm #cardiology ... diagnosis #ecg #ekg #electrocardiogram
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin effect on Electrocardiogram ... waves - Short QT ... interval Dr. ... Digoxin #effect #Electrocardiogram ... #EKG #Cardiology
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
Shortening of QT ... interval • "Scooped ... digitalis #Toxicity #Electrocardiogram ... ecg #toxicology #cardiology
QT / QTc Interval Measurement in Prominent U Wave
If the U wave is distinct from the
QT / QTc Interval ... interval. ... #QTc #Interval ... Measurement #UWave #cardiology ... diagnosis #ecg #ekg #electrocardiogram
Torsades de Pointes (TdP): Pathogenesis and Clinical Findings

Polymorphic ventricular tachycardia initiated by PVC in the setting
the setting of QT ... interval prolongation ... TdP #Diagnosis #pathophysiology ... #cardiology #causes
Short QT Syndrome
Short QT syndrome (SQTS) is a very rare, recently described syndrome in which an
interval (QTc < ... interval, though ... interval in this ... Syndrome #diagnosis #cardiology ... #ecg #ekg #electrocardiogram