21 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 ... #JTInterval #QTc ... #electrocardiogram ... pathophysiology #ekg ... #ecg #cardiology
First, Second (Type 1 and Type 2), and Third Degree Heart Blocks - Comparison

#HeartBlocks #Comparison #First
Heart Blocks - Comparison ... #HeartBlocks #Comparison ... Second #Third #Cardiology ... #ECG #EKG #Electrocardiogram ... #Diagnosis #Table
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
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- 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
on the EKG, and ... #QTc #Interval ... Irregular #Rhythm #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
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... Digoxin effect on ECG ... interval Dr. ... #EKG #Cardiology ... #Digitalis #ECG
Morphological Criteria for Discriminating Ventricular Tachycardia from Supraventricular Tachycardia with Aberration

Source Article: Wide Complex Tachycardia –
Distinguishing #Criteria #Cardiology ... #ECG #EKG #Electrocardiogram ... #Differences #Comparison ... #Brugada #Algorithm
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... within the atria (e.g ... @AmyChung #EKG ... Interpretation #ECG
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
Shortening of QT ... interval • "Scooped ... digitalis #Toxicity #Electrocardiogram ... #ekg #ecg #toxicology ... #cardiology #diagnosis
QT / QTc Interval Measurement in Prominent U Wave
If the U wave is distinct from the
QT / QTc Interval ... #QTc #Interval ... Measurement #UWave #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram