ECG: Serial evolution in MI

 "NaSTE LoseR QT"

Read as 'Nasty loser quit!'

From Normal to,

  • ST Elevation
  • Loss of R waves
  • Q waves develop along with T inversion
5

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imageQ waves representing coagulative necrosis of myocardium develops in 24-48 hours.
imageTransmural infarction is the most common type of infarction. It involves ischemic necrosis of more than 50% of myocardial wall.

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