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Postconditioning with Lactate-enriched Blood for Cardioprotection in ST-segment Elevation Myocardial Infarction
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Apparent ST elevation in right bundle branch block pseudo-mimicking myocardial infarction
Itsuro Kazama1,2,3, Toshiyuki Nakajima2
1School of Nursing, Miyagi University, Taiwa-cho, Japan.
SAGE Open Medical Case Reports
|February 21, 2019
Summary
Right bundle branch block can mimic acute coronary syndrome, necessitating careful diagnosis. Recognizing ST segment elevation in this condition is crucial for predicting sudden cardiac death risk.
Area of Science:
- Cardiology
- Electrophysiology
- Internal Medicine
Background:
- Right bundle branch block (RBBB) is a cardiac conduction abnormality.
- Differentiating RBBB from acute coronary syndrome (ACS) is clinically significant.
- RBBB can coexist with or mimic ACS, complicating diagnosis.
Observation:
- A case is presented where patient symptoms and electrocardiogram (ECG) findings suggested ACS.
- The ECG in this case showed ST segment elevation, a hallmark of myocardial infarction.
- However, the underlying cause was identified as RBBB.
Findings:
- Apparent ST segment elevation in RBBB can be mistaken for ACS.
- The differential diagnosis between RBBB and ACS is critical due to potential complications.
- RBBB with specific ST segment elevation patterns may indicate increased risk for sudden cardiac death.
Implications:
- Clinicians must be aware of ECG changes in RBBB that mimic ACS.
- Careful patient monitoring and ECG interpretation are essential in suspected cases.
- Prompt and accurate diagnosis can guide appropriate management and risk stratification for cardiac events.
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