EKG 25-Answer

  • Rate:  80 bpm
  • Rhythm:  NSR with PACs originating from focus inferior to SA node
  • Axis:  + 63
  • Intervals:  PR= 200 ms, QRS< 120ms
  • Morphology:  Narrow QRS, occasional inverted P’s, no chamber enlargement, no BBB
  • ST segment:  No ischemic changes
  • T-waves:  T wave inversions in I, II, III, aVF, V3-V6 c/w possible inferior and lateral wall ischemia
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