Carolinas Core Concepts Core Concepts in EM; a repository for Carolinas lecture summaries.

11Aug/1116

Littmann’s EKG Course: T Waves

  • 1-3mm upsloping ST depressions in V1-V6 with tall, symmetric T-waves is highly concerning for hyperacute proximal LAD STEMI.

    New Wellens LAD

    This EKG was taken prior to cath of a patient with a 100% proximal LAD lesion. Note the upsloping ST segments.

    • N Engl J Med 2008;359:2071-3       Heart 2009;95:1701-6
  • The T-waves in hyperkalemia are often simply narrow-based rather than tall.  Because of this, the computer software often "double counts" the heart rate.

    Hyperkalemia

    This patient has a K+ of 7.2. Note that the computer "double-counts" the heart rate.

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