71 results
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
TCA Overdose on EKG ... • Sinus tachycardia ... prolongation • QT ... antidepressants #EKG ... #ECG #electrocardiogram
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... General rule: QT ... = QT / Sqrt(RR) ... in seconds) #QT ... #ekg #electrocardiogram
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Hypothermia on EKG ... • PR, QRS, and QT ... bradyarrythmias (e.g ... osborn #waves #EKG ... #ECG #electrocardiogram
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
JTc=QTc-QRS When ... than prolonged QT ... #electrocardiogram ... pathophysiology #ekg ... #ecg #cardiology
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... increase in the QT ... EricsMedicalLectures/ #QT ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
ECG Cheat Sheet

ECG rapid view: It is organized roughly how one would typically read an ECG.
ECG Cheat Sheet ... ECG rapid view ... typically read an ECG ... Intervals (PR, QRS, QT ... #Cribsheet #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 ... EricsMedicalLectures/ #QT ... #ekg #electrocardiogram
Catecholaminergic Polymorphic Ventricular Tachycardia
- PCCM https://twitter.com/PedCritCareMed
#Polymorphic #Ventricular #Tachycardia #ECG #EKG #Electrocardiogram #Cardiology #Clinical
Polymorphic Ventricular Tachycardia ... #Ventricular #Tachycardia ... #ECG #EKG #Electrocardiogram
Torsades de pointes seen on 12 lead EKG. 

#Torsades #Torsadesdepointes #EKG #ECG #Electrocardiogram #Emergency #Cardiology #Polymorphic
seen on 12 lead EKG ... Torsadesdepointes #EKG ... #ECG #Electrocardiogram ... #Ventricular #Tachycardia
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
• ↑ Ca - short QT ... • ↓ Ca - long QT ... • ↓ Mg - long QT ... heart block Long QT ... -500ms) Short QT