Severe hypocalcemia mimicking ST-segment elevation acute myocardial infarction
Piotr Kukla1, Monika Kulik2, Marek Jastrzębski3
1Department of Cardiology and Internal Diseases, Specialistic Hospital, Gorlice, Poland.
Summary
Severe hypocalcemia can mimic heart attacks on ECGs. This case highlights a rare presentation with J-point elevation and short QT intervals, crucial for accurate diagnosis.
Area of Science:
- Cardiology
- Internal Medicine
- Medical Diagnostics
Background:
- Hypocalcemia, a common electrolyte imbalance, often results from conditions like kidney disease, liver cirrhosis, malnutrition, or sepsis.
- Electrocardiogram (ECG) changes in hypocalcemia typically include QT prolongation due to ST segment lengthening.
Observation:
- Severe hypocalcemia can present atypically on an ECG.
- This case involved a patient with severe hypocalcemia exhibiting J-point elevation and absent ST segments.
Findings:
- The patient's ECG showed a short QT interval alongside J-point elevation.
- This specific ECG pattern mimicked acute ST-elevation myocardial infarction (STEMI).
Implications:
- Accurate ECG interpretation is vital for differentiating hypocalcemia from acute myocardial infarction.
- Recognizing rare ECG manifestations of hypocalcemia can prevent misdiagnosis and guide appropriate treatment.
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