7 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... fibrillation and atrial flutter ... waves - Short QT ... interval Dr. ... #EKG #Cardiology
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 Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... not clinically ... #QTc #Interval ... Measurement #WideQRS #cardiology ... #ekg #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Saw-Tooth = Atrial Flutter ... /QTC Interval: ... • QT interval is ... #Electrocardiogram ... #cardiology #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
1º - long PR intervals ... successively longer PR intervals ... bradyarrhythmia #ECG ... #electrocardiogram ... #cardiology #differential
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
changes (especially QT ... prolongation) - Digoxin ... incongruous with clinical ... Internet Book of Critical ... Hypokalemia #Management #CriticalCare
This infographic provides a mnemonic tool called “WOBBLER” for assessing an ECG (electrocardiogram) in cases of
(electrocardiogram ... WOBBLER: Each letter ... segment • Epsilon #clinical ... Section: QT interval ... #cardiology #differential