Monophasic action potential-like electrocardiogram simulating acute myocardial infarction

Ming Hsiung Hsieh; Choun Yi Cheng; Paul Chan; Ching Tai Tai; Shih Ann Chen

doi:10.1023/A:1022387814254

Monophasic action potential-like electrocardiogram simulating acute myocardial infarction

Ming Hsiung Hsieh, Choun Yi Cheng, Paul Chan, Ching Tai Tai, Shih Ann Chen

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

Monophasic action potential-like electrocardiogram simulating acute myocardial infarction has been reported in patients with hyperkalemia. We report two cases presenting marked diffuse RS-T elevation resembling monophasic action potential. They had abnormal electrolyte levels, including hyperkalemia and hypocalcemia in case 1 and hypokalemia and hypocalcemia in case 2. The ECG abnormality returned to baseline after correction of potassium and calcium. We conclude that monophasic action potential-like electrocardiogram is caused by electrolyte disturbance other than acute myocardial infarction.

Original language	English
Pages (from-to)	41-44
Number of pages	4
Journal	Journal of Interventional Cardiac Electrophysiology
Volume	8
Issue number	1
DOIs	https://doi.org/10.1023/A:1022387814254
Publication status	Published - Feb 2003

Keywords

Electrocardiogram
Electrolyte

ASJC Scopus subject areas

Cardiology and Cardiovascular Medicine
Physiology (medical)

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10.1023/A:1022387814254

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AU - Hsieh, Ming Hsiung

AU - Cheng, Choun Yi

AU - Chan, Paul

AU - Tai, Ching Tai

AU - Chen, Shih Ann

PY - 2003/2

Y1 - 2003/2

N2 - Monophasic action potential-like electrocardiogram simulating acute myocardial infarction has been reported in patients with hyperkalemia. We report two cases presenting marked diffuse RS-T elevation resembling monophasic action potential. They had abnormal electrolyte levels, including hyperkalemia and hypocalcemia in case 1 and hypokalemia and hypocalcemia in case 2. The ECG abnormality returned to baseline after correction of potassium and calcium. We conclude that monophasic action potential-like electrocardiogram is caused by electrolyte disturbance other than acute myocardial infarction.

AB - Monophasic action potential-like electrocardiogram simulating acute myocardial infarction has been reported in patients with hyperkalemia. We report two cases presenting marked diffuse RS-T elevation resembling monophasic action potential. They had abnormal electrolyte levels, including hyperkalemia and hypocalcemia in case 1 and hypokalemia and hypocalcemia in case 2. The ECG abnormality returned to baseline after correction of potassium and calcium. We conclude that monophasic action potential-like electrocardiogram is caused by electrolyte disturbance other than acute myocardial infarction.

KW - Electrocardiogram

KW - Electrolyte

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Monophasic action potential-like electrocardiogram simulating acute myocardial infarction

Abstract

Keywords

ASJC Scopus subject areas

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