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FACP. Colegio de médicos de Tarragona Nº 4305520 / fgcapriles@gmail.com

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domingo, 2 de agosto de 2015

aVL en IAMCEST (STEMI)

ECG Medical Training - 01 August 2015
"In 2013 an article was published in Prehospital Emergency Care that measured the ability of paramedics to identify acute STEMI on the 12-lead ECG. The results showed that paramedic accuracy varied quite a lot depending on the infarct location.
  • Inferior: 96%
  • Anterior: 78%
  • Lateral: 51%
This result did not surprise me.
I have long argued that acute inferior STEMI is the bunny slope of 12-lead ECG interpretation. The reason is simple. In the setting of acute inferior STEMI there is almost always a reciprocal change in lead aVL to shore up the diagnosis.
This finding is so sensitive that the absence of a reciprocal change in lead aVL should make you doubt the diagnosis of acute inferior STEMI. Conversely, a downsloping ST-segment in lead aVL is a red flag that should get your attention!"
http://www.ecgmedicaltraining.com/importance-of-lead-avl-in-stemi-recognition/