11 results
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
Shortening of QT ... interval • "Scooped ... digitalis #Toxicity #Electrocardiogram ... ecg #toxicology #cardiology ... #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases (II, Ill and aVF ... P wave and PR interval ... the presence of AV ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
widened QRS and QTc interval ... • Predictor of arrhythmia ... #electrocardiogram ... #diagnosis #ekg ... #differential #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Diagnosis Algorithm ... setting of long QT ... tachyarrhythmias #Cardiology ... #Differential #Diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases (II, Ill and aVF ... P wave and PR interval ... the presence of AV ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
Ventriculophasic Sinus Arrhythmia - ECG Diagnosis
 • The P to P interval encompassing a QRS complex
- ECG Diagnosis ... • The P to P interval ... the presence of AV ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
QT interval is ... formula: QTC = QT ... thumb: a normal QT ... Interpretation #ECG #Electrocardiogram ... #cardiology #diagnosis
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
dextrocardia, normal Intervals ... boxes) - HiPR: AV ... Approach #ECG #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential Diagnosis ... interval J Wave ... depression in aVR ... #cardiology #ecg ... #ekg #electrocardiogram
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
electrocardiographic criteria ... for the diagnosis ... irregular PP and PR interval ... #cardiology #ekg ... #ecg #electrocardiogram