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January 12, 1975Acta Medica Scandinavica

Initial Serum Potassium Level in Relation to Early Complications and Prognosis in Patients With Acute Myocardial Infarction

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Why the study?

Does initial serum potassium level predict early complications and prognosis in patients with acute myocardial infarction?

Population

444 patients with acute myocardial infarction (AMI) treated in the CCU

Design

Cohort

Follow-up

first 24 hours (for early complications)

Authors

TDThomas DycknerKarolinska InstitutetCHC. HelmersRoche (United States)TLT LundmanCenters for Disease Control and Prevention

Discussion

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Implication

Hypokalaemia signals higher arrhythmia risk in acute MI; hypothesis-generating and requires prospective confirmation before practice change.

Structured PICO

Does initial serum potassium level predict early complications and prognosis in patients with acute myocardial infarction?

P
Population
444 patients with acute myocardial infarction (AMI) treated in the CCU
I
Intervention
Initial serum potassium level (exposure)
O
Outcome
Early complications (arrhythmias) and prognosishard clinical

In patients with acute myocardial infarction, initial hypokalaemia is associated with an increased frequency of early arrhythmias.

Cite This Study

Dyckner et al. (1975) studied this question.

synapsesocial.com/papers/6a722c1b5d37378ac1df1007https://doi.org/10.1111/j.0954-6820.1975.tb04903.x
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Effect of potassium and calcium deficiency on the monophasic action potential, electrocardiogram and contractility of isolated rabbit hearts1959 · 81 citations
  2. 2Effect of high K, low K, and quinidine on QRS duration and ventricular action potential1962 · 107 citations
  3. 3Quantitative Analysis of the Electrocardiographic Pattern of Hypopotassemia1957 · 79 citations
  4. 4Arterial pO 2 , pCO 2 , pH and Standard Bicarbonate in Patients with an Acute Myocardial Infarction2008 · 9 citations
  5. 5The Relation of Cardiovascular Phenomena to Metabolic Changes in a Patient with Chronic Hypokalemia1956 · 18 citations