120 results
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
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Normal QT Interval ... General rule: QT ... = QT / Sqrt(RR) ... #Measurement #cardiology ... #diagnosis #ecg
Want to remember what drugs prolong the QT interval? Remember COLLAPSE - Kitty Canavan @KathrynCanavan1
#Diagnosis #Peds
drugs prolong the QT ... KathrynCanavan1 #Diagnosis ... #Peds #Pediatrics ... COLLAPSE #Mnemonic #QTc
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Hypothermia on EKG ... • PR, QRS, and QT ... bradyarrythmias (e.g ... #ECG #electrocardiogram ... #cardiology #diagnosis
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... increase in the QT ... EricsMedicalLectures/ #QT ... Measurement #WideQRS #cardiology ... #diagnosis #ecg
Bazett Formula for Calculating QTc on EKG

#Diagnosis #Cardiology #MedStudent #ECG #EKG #Calculation #QTc #Bazett #Formula
for Calculating QTc ... on EKG #Diagnosis ... #Cardiology #MedStudent ... #ECG #EKG #Calculation ... #QTc #Bazett #Formula
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 ... Interval #JTInterval #QTc ... pathophysiology #ekg ... #ecg #cardiology
How to calculate the QTc (Bazett's Formula) 

#Diagnosis #Cardiology #MedStudent #ECG #EKG #Calculation #QTc #Bazett #Formula
calculate the QTc ... Bazett's Formula) #Diagnosis ... #Cardiology #MedStudent ... #ECG #EKG #Calculation ... #QTc #Bazett #Formula
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
TCA Overdose on EKG ... prolongation • QT ... antidepressants #EKG ... #ECG #electrocardiogram ... #cardiology #diagnosis
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 ... Irregular #Rhythm #cardiology ... #diagnosis #ecg