9 results
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... rule: QT interval ... #QTc #Interval ... #Normal #Measurement ... #ekg #electrocardiogram
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
QT / QTc Interval ... the associated QT ... for the QT intervals ... #QTc #Interval ... #ekg #electrocardiogram
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... increase in the QT ... #QTc #Interval ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
QT / QTc Interval Measurement in Prominent U Wave
If the U wave is distinct from the
QT / QTc Interval ... of the QT interval ... EricsMedicalLectures/ #QT ... #QTc #Interval ... #ekg #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Flattened T waves QT ... /QTC Interval: ... • QT interval is ... = QT / √ RR - ... QT is less than
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin effect on Electrocardiogram ... - Decreases AV nodal ... Digoxin effect on ECG ... waves - Short QT ... interval Dr.
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
dextrocardia, normal ... Intervals - ... DANGER - Short QT ... : ↑ca - Long QT ... #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
and a prolonged QT ... interval J Wave ... waves - Short QT ... waves • Short QT ... #ekg #electrocardiogram
This infographic provides a mnemonic tool called “WOBBLER” for assessing an ECG (electrocardiogram) in cases of
(electrocardiogram ... to focus on ... Section: QT interval ... includes long QT ... syndrome or short QT