29 results
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... - Only works ... #QTc #Interval ... Measurement #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
QT / QTc Interval ... for the QT intervals ... on the EKG, and ... Rhythm #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 ... not clinically ... WideQRS #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
ECG Cheat Sheet

ECG rapid view: It is organized roughly how one would typically read an ECG.
EKG cheat sheet ... atrial, ventricle), Intervals ... (PR, QRS, QT), ... #EKG #Cheatsheet ... #Diagnosis #Reference
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Hypothermia on EKG ... • PR, QRS, and QT ... osborn #waves #EKG ... #ECG #electrocardiogram ... #clinical
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... interval •Class ... hypomagnesemia, hypokalemia ... #Cardiology #ECG ... #EKG
Hyperkalemia after Missed Hemodialysis - Initial electrocardiogram showed peaked T waves and a prolonged QT segment
Hyperkalemia after ... Hemodialysis - Initial electrocardiogram ... and a prolonged QT ... segment (Panel A) #Clinical ... Cardiology #EM #EKG
Short QT Syndrome
Short QT syndrome (SQTS) is a very rare, recently described syndrome in which an
interval (QTc < ... patients with SQTS Hypercalcemia ... #Syndrome #diagnosis ... #cardiology #ecg ... #ekg #electrocardiogram
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
TCA Overdose on EKG ... prolongation • QT ... antidepressants #EKG ... #ECG #electrocardiogram ... #clinical #criteria
QT / QTc Interval Measurement in Prominent U Wave
If the U wave is distinct from the
QT / QTc Interval ... measurement of the QT ... EricsMedicalLectures/ #QT ... #QTc #Interval ... #ecg #ekg #electrocardiogram