50 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
Tachycardia - Wide vs Narrow Complex, Regular vs Irregular rhythm table

#Diagnosis #Cardiology #EKG #ECG #WideComplex #Narrow
Irregular rhythm table ... #Diagnosis #Cardiology ... #EKG #ECG #WideComplex ... Tachycardia #Irregular #Table ... #Comparison #Differential
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
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... #QTc #Interval ... Measurement #WideQRS #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
#EKG taken on a patient with an acute pulmonary embolism with right heart strain showing tachycardia,
#EKG taken on a ... with an acute pulmonary ... pulmonaryembolism #AcutePE #criticalcare ... #cardiology #ECG
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
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... /QTC Interval: ... @AmyChung #EKG ... Interpretation #ECG
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... Digoxin effect on ECG ... interval Dr. ... Electrocardiogram #EKG ... #ECG
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
that prolong the QT ... interval ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG