19 results
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
Virtually any arrhythmia ... Shortening of QT ... digitalis #Toxicity #Electrocardiogram ... #ekg #ecg #toxicology ... #cardiology #diagnosis
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Classic Digoxin-Associated ... Arrhythmias • ... #Arrhythmias #diagnosis ... #cardiology #ecg ... #ekg #electrocardiogram
Inherited Arrhythmia Syndromes
Entity - Prevalence / Incidence - Diagnosis - Arrhythmic Presentation - Management
 • Long
• Long QT Syndrome ... Polymorphic Ventricular Tachycardia ... Heart • Short QT ... #Arrhythmia #Syndromes ... #clinical #cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram ... (EKG) Digoxin ... effect on ECG ( ... waves - Short QT ... #EKG #Cardiology
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
TCA Overdose on EKG ... • Sinus tachycardia ... prolongation • QT ... #ECG #electrocardiogram ... #cardiology #diagnosis
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
Interval and Pro-Arrhythmic ... than prolonged QT ... Interval #JTInterval #QTc ... #electrocardiogram ... #ecg #cardiology
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
• ↑ Ca - short QT ... • ↓ Ca - long QT ... • ↓ Mg - long QT ... #diagnosis #cardiology ... #electrocardiogram
Short QT Syndrome
Short QT syndrome (SQTS) is a very rare, recently described syndrome in which an
Short QT Syndrome ... Short QT syndrome ... interval (QTc < ... #cardiology #ecg ... #ekg #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Flattened T waves QT ... • QT interval is ... = QT / √ RR - ... thumb: a normal QT ... #Electrocardiogram
Congenital Long QT Syndrome: Illness Script

Who?
 - Kids or young adults, usually < 30
 - high
Congenital Long QT ... Syndrome: Illness ... **Get baseline EKG ... - QT prolonging ... #Diagnosis #Cardiology