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Published on: April 25, 2014
Beyond Cardiology: A Rare Encounter With Small Bowel Obstruction Disguised as Inferior Wall ST-Elevation Myocardial
Akshay Duddu1, Mohammed Rifat Shaik2, Jayashrei Sairam1
1Greater Baltimore Medical Center, Baltimore, MD.
Insights
ST segment elevations on an electrocardiogram (EKG) can mimic heart attacks but may signal noncardiac issues like small bowel obstruction (SBO). Prompt diagnosis of SBO resolved EKG changes in this case.
Area of Science:
- Cardiology
- Gastroenterology
- Emergency Medicine
Background:
- ST segment elevations (STEs) on electrocardiograms (EKGs) typically indicate acute cardiac events.
- Noncardiac conditions can also manifest as ST segment elevations, complicating diagnosis.
Observation:
- A 77-year-old woman presented with chest pain, elevated troponins, and inferior lead ST segment elevations on EKG.
- Initial cardiac workup, including left heart catheterization, revealed no significant coronary artery disease.
Findings:
- Abdominal computed tomography (CT) scan confirmed small bowel obstruction (SBO).
- Conservative management of SBO with bowel decompression led to symptom resolution.
- Follow-up EKG showed complete resolution of ST segment elevations.
Implications:
- This case highlights the critical importance of considering noncardiac etiologies, such as SBO, in the differential diagnosis of ST segment elevations.
- Accurate diagnosis and management of noncardiac causes of ST segment elevations are crucial for patient outcomes.
- Clinicians should maintain a broad differential diagnosis when interpreting EKG findings, especially in the presence of atypical symptoms.
Abstract:
ST segment elevations (STEs) on an electrocardiogram (EKG) gravitate immediate attention to the heart. However, these EKG changes can sometimes be the result of noncardiac pathologies. Here, we present an interesting case of small bowel obstruction (SBO) masquerading as an inferior wall myocardial infarction. A 77-year-old woman with a history of aortic stenosis status postsurgical aortic valve replacement presented with chest pain. Workup revealed elevated high-sensitivity troponins and STE in the inferior leads. She subsequently underwent a left heart catheterization, which showed no critical plaques or stenosis. Persistent abdominal pain prompted further evaluation with a computed tomography scan of the abdomen, which demonstrated evidence of SBO. Conservative treatment with bowel decompression resulted in symptom improvement and complete resolution of the STEs on a follow-up EKG. This case underscores the importance of considering noncardiac etiologies, such as SBO, in the differential diagnosis of STE on EKG for accurate diagnosis and management.
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