Commotio cordis electrocardiogram

The most common rhythm observed in commotio cordis cases is ventricular fibrillation (VF). Other arrhythmias such as polymorphic ventricular tachycardia, complete heart block, idioventricular rhythm, atrial fibrillation, ST-segment elevation, T-wave abnormalities were reported. The timing and location of the impact are crucial in the generation of VF in commotio cordis. When the impact occurs directly over the heart within a specific window during the upslope of the T wave in ventricular repolarization, it triggers a rapid increase in left ventricular intracavitary pressure, leading to VF.

• Electrocardiogram (ECG) findings in commotio cordis can vary depending on the timing of the ECG recording and the presence of arrhythmias.
• The most common rhythm observed in commotio cordis cases is ventricular fibrillation (VF). Other arrhythmias were reported, such as:
  • Polymorphic ventricular tachycardia
  • Complete heart block
  • Idioventricular rhythm
  • Atrial fibrillation
  • ST-segment elevation
  • T-wave abnormalities
• The timing and location of the impact are crucial in the generation of VF in commotio cordis. When the impact occurs directly over the heart within a specific window during the upslope of the T wave in ventricular repolarization, it triggers a rapid increase in left ventricular intracavitary pressure, leading to VF.
• It is important to note that ECG findings may not always be abnormal in commotio cordis cases. reported a case of commotio cordis where the patient did not show any arrhythmias and did not receive any resuscitation procedure. The ECG alterations observed in this case improved over time^[1][2][3].

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