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Case Reports
. 2012 Spring;16(2):57.
doi: 10.7812/tpp/12-015.

ECG diagnosis: hypokalemia

Joel T Levis  1
Affiliations
Case Reports

ECG diagnosis: hypokalemia

Joel T Levis. Perm J. 2012 Spring.
No abstract available

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Figures

Figure 1
Figure 1
12-lead ECG from a 21-year-old man with syncope, generalized weakness, and severe hypokalemia (serum potassium 1.6 mEq/L). Demonstrates prolonged QT interval (649 ms), ST-segment depression, prominent U waves and slurring of the T waves into the U waves (most prominent in lead II).
Figure 2
Figure 2
12-lead ECG from same patient following oral and intravenous potassium replacement (serum potassium 2.5 mEq/L). Demonstrates improvement in ST-segment depression, less prominent U waves and decreased QT prolongation (590 ms).
See this image and copyright information in PMC

References

    1. Diercks DB, Shumaik GM, Harrigan RA, Brady WJ, Chan TC. Electrocardiographic manifestations: electrolyte abnormalities. J Emerg Med. 2004;27(2):153–60. - PubMed
    1. El-Sherif N, Turitto G. Electrolyte disorders and arrythmogenesis. Cardiol J. 2011;18(3):233–45. - PubMed
    1. Glancy DL, Wiklow FE, Rochon BJ. Electrocardiogram after 2 weeks of diarrhea. Proc (Bayl Univ Med Cent) 2010;23(2):173–4. - PMC - PubMed

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