Why the study?
Does surface hypothermia affect cardiac rate and rhythm in patients with pre-existing arrhythmias?
Does surface hypothermia affect cardiac rate and rhythm in patients with pre-existing arrhythmias?
This early report documents the effects of surface hypothermia on four different types of pre-existing cardiac arrhythmias.
Answers are grounded in this paper and cite their sources.
Hypothermia effects on arrhythmias warrant caution; case-level data leave open need for controlled trials.
The changes produced by hypothermia on the cardiac rate and rhythm have been well docu- mented in the normal (Emslie-Smith, 1956) and abnormal heart (Hicks et al., 1956; Graham, 1957). The observations recorded have in the main dealt with normal sinus rhythm although reference has been made to the effects of cooling on atrial fibrillation (Fleming and Muir, 1957). The changes in this and other arrhythmias have become better known within the past few years as experience with hypothermia has widened. This paper reports the effects of surface hypothermia on four different types of cardiac arrhythmias that were present before hypothermia was induced.
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W Somerville (1960) studied this question.
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