ArticleSAGE open medical case reports2024
Efficacy of prescribing Inderal for polymorphic ventricular tachycardia in a young patient with the normal QT interval: A case report study.
Article in SAGE open medical case reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Polymorphic ventricular tachycardia (PVT) is a group of life-threatening heart rhythm disorders. These arrhythmias share similar electrocardiographic characteristics but require different modes of therapy for effective treatment. It is important to note that the medications that are considered the first-line treatment for one type of PVT may not be appropriate for another type, and may worsen the condition. Therefore, it is crucial to accurately diagnose the type of PVT before initiating treatment to provide the most effective therapy for the patient. A 42-year-old man was admitted to the emergency department with dyspnea, Levine sign, and severe chest pain. His electrocardiogram showed ST elevation, and the QT interval was normal. The patient was sent to the cath lab based on the treatment protocols. According to the results of angiography, three coronary arteries were severely obstructed. His coronary arteries did not open during percutaneous coronary intervention; thus, the healthcare team decided on open heart surgery. He suffered from recurrent PVT following open heart surgery and did not respond to any of the drugs suitable for this type of tachycardia. Inderal prevented the recurrence of ventricular tachycardia (VT) in a patient with polymorphic VT without QT prolongation, contrary to the healthcare team's expectations. Inderal was used as the last line of treatment because this patient's arrhythmia was polymorphic VT without QT prolongation. Inderal is typically used for treating VT in patients with long QT syndromes and heart structural disorders. This case report aims to highlight the impact of Inderal on polymorphic tachycardia, specifically in cases where the QT interval is not elongated. In this particular case, the standard treatment approaches were ineffective in preventing reversibility, but Inderal proved to be successful. Therefore, we feel it is important to document and share this case.
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