Infarctions and ST Segments

    Back

    50 year old female with chest pain.

    50 year old female with chest pain.

    Key Findings

    - Q wave inferior infarction with ST elevation

    - Low amplitude P waves with long first degree AV block

    Coding for the Boards

    - 1st degree AV block

    - Sinus bradycardia

    - Inferior infarct recent or acute

    - ST abnormalities suggesting myocardial injury

    Answers

    Discussion: Whenever an inferior injury or infarct is coded, always look for disturbances in AV conduction and for an injury vector going towards V1, which would indicate right ventricular involvement (not present here).