• J. Am. Coll. Cardiol. · Aug 1987

    Case Reports

    Hyperkalemia-induced failure of atrial capture during dual-chamber cardiac pacing.

    • S S Barold, M D Falkoff, L S Ong, and R A Heinle.
    • J. Am. Coll. Cardiol. 1987 Aug 1;10(2):467-9.

    AbstractThis report describes hyperkalemia-induced failure of atrial capture associated with preservation of ventricular pacing in a patient with a dual-chamber (DDD) pacemaker. This differential effect on atrial and ventricular excitability during cardiac pacing correlates with the well known clinical and experimental observation that the atrial myocardium is more sensitive to hyperkalemia than is the ventricular myocardium.

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