75 results
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 ... #JTInterval #QTc ... pathophysiology #ekg ... #ecg #cardiology
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
QT / QTc Interval ... on the EKG, and ... #QTc #Interval ... #diagnosis #ecg ... #ekg #electrocardiogram
S1Q3T3 on ECG - Pulmonary Embolism Until Proven Otherwise

- Sam Ghali, M.D.
@EM_RESUS

#S1Q3T3 #ECG #EKG #Electrocardiogram #Cardiology
S1Q3T3 on ECG - ... Pulmonary Embolism ... EM_RESUS #S1Q3T3 #ECG ... #EKG #Electrocardiogram ... #Cardiology #Clinical
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Hypothermia on EKG ... bradyarrythmias (e.g ... osborn #waves #EKG ... #ECG #electrocardiogram ... #clinical
#EKG taken on a patient with an acute pulmonary embolism with right heart strain showing tachycardia,
#EKG taken on a ... with an acute pulmonary ... in V1 - V4 #Clinical ... pulmonaryembolism #AcutePE #criticalcare ... #cardiology #ECG
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... not clinically ... #QTc #Interval ... #diagnosis #ecg ... #ekg #electrocardiogram
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... #QTc #Interval ... #Measurement #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... interval •Class ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG
Mobitz Type I (Wenckebach Phenomenon) 2nd Degree AV Block on EKG
 • P-R interval gradually increases
Degree AV Block on EKG ... • P-R interval ... to 6:5 in this ECG ... #EKG #ECG #Electrocardiogram ... #labeled #clinical
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... /QTC Interval: ... @AmyChung #EKG ... Interpretation #ECG