22 results
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
ventricular rate (↓ AV ... Shortening of QT ... interval • "Scooped ... #Toxicity #Electrocardiogram ... #cardiology #diagnosis
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
- Decreases AV ... waves - Short QT ... interval Dr. ... #EKG #Cardiology ... #Digitalis #ECG
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases (II, Ill and aVF ... the presence of AV ... #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
/QTC Interval: ... WolffParkinson-White syndrome ... Interpretation #ECG ... #Electrocardiogram ... #cardiology #diagnosis
Ventriculophasic Sinus Arrhythmia - ECG Diagnosis
 • The P to P interval encompassing a QRS complex
Arrhythmia - ECG ... • The P to P interval ... the presence of AV ... #Arrhythmia #cardiology ... #ecg #electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
findings: Sinus ... widened QRS and QTc ... interval, RAD 130 ... #AVR #leadAVR #ecg ... #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... Syndrome (runs ... bradyarrhythmia #ECG ... #electrocardiogram ... #cardiology #differential
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases (II, Ill and aVF ... the presence of AV ... #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
look like the sinus ... in II, Ill and aVF ... will have a PR interval ... atrial #complexes #cardiology ... #ecg #electrocardiogram
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
(<60 bpm) • Sinus ... Syndrome • SA ... AVNRT • AVRT ... setting of long QT ... tachyarrhythmias #Cardiology