ECG Case 090
70 yr old male who presented following an episode of syncope. Nil significant medical history or medications. Describe and interpret this ECG. LITFL Top 100 ECG
Tag Sinus arrhythmia
Marathon-related ECG Exasperation
Can you correctly interpret the ECG findings in a marathon runner with gastroenteritis? What is their significance? Is this AIVR?
Sinus Arrhythmia
ECG features of sinus arrhythmia. Sinus rhythm with beat-to-beat variation in the P-P interval producing an irregular ventricular rate.