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Cardiogenic shock presenting in myocardial infarction with myocarditis case report: The role of advanced
Mochamad Yusuf Alsagaff1,2, Putu Dwipa Krisna Devi1, Christian Pramudita Budianto1
1Department of Cardiology and Vascular Medicine, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo General Hospital, Surabaya, Indonesia.
Insights
Myocarditis presents with chest pain and dyspnea, mimicking myocardial infarction. Echocardiography, particularly strain imaging, aids in diagnosing myocarditis, leading to successful treatment and recovery.
Area of Science:
- Cardiology
- Medical Diagnostics
Background:
- Myocarditis symptoms like chest pain and dyspnea overlap with myocardial infarction, complicating diagnosis.
- Electrocardiographic changes in myocarditis can resemble myocardial infarction, but coronary angiography often shows normal findings.
- Accurate diagnosis is challenging, risking misdiagnosis as myocardial infarction with nonobstructive coronary arteries.
Observation:
- A 40-year-old man presented with chest pain and dyspnea, initially diagnosed as ST-elevation myocardial infarction (STEMI) with cardiogenic shock.
- Coronary angiography revealed no significant coronary artery obstruction.
- Bedside echocardiography and serial left ventricle global longitudinal strain measurements supported a myocarditis diagnosis.
Findings:
- Two-dimensional speckle tracking echocardiography precisely evaluated left ventricle (LV) global and regional dysfunction.
- Serial left ventricle global longitudinal strain measurements were crucial in differentiating myocarditis from myocardial infarction.
- The patient recovered fully within 7 days after receiving myocarditis treatment.
Implications:
- This case highlights the utility of echocardiography, especially strain imaging, in diagnosing myocarditis.
- Early and accurate diagnosis of myocarditis can prevent unnecessary interventions for suspected myocardial infarction.
- Prompt treatment of myocarditis leads to favorable patient outcomes and complete recovery.
Abstract:
Myocarditis is distinguished by a wide array of nonspecific symptoms, including chest pain, dyspnea, and palpitations. These symptoms are accompanied by electrocardiographic abnormalities that exhibit similarities to those observed in myocardial infarction. However, the results of coronary angiography frequently, though not consistently, show normal findings. Therefore, the clinical diagnostic procedure often encounters difficulties and is susceptible to the misdiagnosis of myocardial infarction with nonobstructive coronary arteries. The signs of poor cardiac contractility are a common manifestation of myocarditis and can be evaluate with bedside echocardiography. Two-dimensional speckle tracking echocardiography bestows a precise left ventricle (LV) global and regional dysfunction . We present a case of a 40-year-old man with typical chest pain for 8 hours, and dyspnea. He had no significant medical history. This patient was first diagnosed with high lateral ST-elevation myocardial infarction (STEMI) with cardiogenic shock. Angiography examination revealed no significant obstruction of coronary vessels. However, serial left ventricle global longitudinal strain supports the diagnosis of myocarditis. After receiving the treatment for myocarditis, the patient makes a full recovery within 7 days.
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