ECG Case 071
Palpitations. Describe and interpret this ECG
Describe and interpret this ECG
ECG ANSWER and INTERPRETATION
QRS alternans – due to AVNRT (i.e. electrical phenomenon), not pericardial effusion as normal voltages.
References
Further Reading
- Wiesbauer F, Kühn P. ECG Mastery: Yellow Belt online course. Understand ECG basics. Medmastery
- Wiesbauer F, Kühn P. ECG Mastery: Blue Belt online course: Become an ECG expert. Medmastery
- Kühn P, Houghton A. ECG Mastery: Black Belt Workshop. Advanced ECG interpretation. Medmastery
- Rawshani A. Clinical ECG Interpretation ECG Waves
- Smith SW. Dr Smith’s ECG blog.
- Wiesbauer F. Little Black Book of ECG Secrets. Medmastery PDF
TOP 100 ECG Series
Emergency Physician in Prehospital and Retrieval Medicine in Sydney, Australia. He has a passion for ECG interpretation and medical education | ECG Library |
2 Comments
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Retrograde P’ can be seen positive in V1, negative in II, III, aVF.
RP’ interval more than 70ms
–> possible candidates can be Atrial tachycardia with a lower focus, Atypical AVNRT, Orthodromic AVRT, and even Junctional tachycardia.
I think AVRT Or atrial tachy are more likely possibilities..