Ventricular fibrillation and initial plasma potassium in acute myocardial infarction.

Abstract:

:In a retrospective review of patients admitted to a coronary care unit, 809 patients had a definite myocardial infarction and plasma potassium was measured within 48 hr. The mean (+/- s.d.) plasma potassium was 4.04 (+/- 0.56) mmol/litre. A potassium concentration of less than 4.0 mmol/litre was found in 383 patients, of whom 14 had ventricular fibrillation. A potassium concentration of 4.0 mmol/litre or greater was found in 426 patients, of whom 3 had ventricular fibrillation, a difference significant at the 0.4% level (chi 2 test). Preceding diuretic therapy did not appear to be relevant and there appeared to be no other difference between the two groups. The maintenance of a high-normal plasma potassium, or the prevention of its reduction, in patients with an acute myocardial infarction may be important.

journal_name

Postgrad Med J

authors

Thomas RD

doi

10.1136/pgmj.59.692.354

subject

Has Abstract

pub_date

1983-06-01 00:00:00

pages

354-6

issue

692

eissn

0032-5473

issn

1469-0756

journal_volume

59

pub_type

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