13 results
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
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Normal QT Interval ... rule: QT interval ... = QT / Sqrt(RR) ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... increase in the QT ... interval that is not clinically ... #cardiology #diagnosis ... #ecg #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 ... #Rhythm #cardiology ... #ekg #electrocardiogram
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
TCA Overdose on EKG ... prolongation • QT ... #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical #criteria
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 ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Hypothermia on EKG ... • PR, QRS, and QT ... #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
• ↑ Ca - short QT ... • ↓ Ca - long QT ... • ↓ Mg - long QT ... #diagnosis #cardiology ... #electrocardiogram
Short QT Syndrome
Short QT syndrome (SQTS) is a very rare, recently described syndrome in which an
Short QT Syndrome ... Short QT syndrome ... interval (QTc < ... #cardiology #ecg ... #ekg #electrocardiogram
Hyperkalemia after Missed Hemodialysis - Initial electrocardiogram showed peaked T waves and a prolonged QT segment
Hemodialysis - Initial electrocardiogram ... and a prolonged QT ... segment (Panel A) #Clinical ... #Cardiology #EM ... #EKG #Hyperkalemia
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Flattened T waves QT ... • QT interval is ... = QT / √ RR - ... thumb: a normal QT ... Interpretation #ECG