The Importance of Reciprocal Changes in Lead aVL

ECG interpretation is one of the most important skills to master as an emergency physician, and its interpretation can be very complex and frustrating. ECG manifestations can be very subtle, and sometimes the earliest and only ECG change seen will be reciprocal changes alone. To further complicate this, many patients have the atypical symptoms of nausea/vomiting, weakness, or shortness of breath and not chest pain.

Which is a better prognostic tool in geriatric trauma, traditional vital signs or lactate level?


