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Pheochromocytoma - An ECG diagnosis?
Thomas Lindow1, Olle Pahlm2, Erik Ljungström3
1Department of Clinical Physiology, Växjö Central Hospital, Sweden; Department of Research and Development, Region Kronoberg, Sweden; Clinical Physiology, Skåne University Hospital, Department of Clinical Sciences, Lund University, Sweden.
Journal of Electrocardiology
|November 3, 2019
Summary
Pheochromocytoma, a rare adrenal tumor, can cause cardiovascular symptoms. This report details two cases where pheochromocytoma presented as bidirectional ventricular tachycardia (BDVT), exploring the underlying mechanisms.
Area of Science:
- Cardiology
- Endocrinology
- Oncology
Background:
- Pheochromocytoma is a rare tumor of the adrenal medulla.
- It secretes catecholamines, which can lead to various symptoms.
- Cardiovascular manifestations are sometimes the initial presentation.
Purpose of the Study:
- To report two cases of pheochromocytoma presenting with bidirectional ventricular tachycardia (BDVT).
- To elucidate the mechanisms linking pheochromocytoma to BDVT.
Main Methods:
- Case report of two patients with pheochromocytoma.
- Clinical data review focusing on cardiovascular presentation.
- Analysis of potential pathophysiological links between catecholamine excess and BDVT.
Main Results:
- Both patients diagnosed with pheochromocytoma exhibited bidirectional ventricular tachycardia (BDVT).
- Catecholamine excess from pheochromocytoma is implicated in the development of BDVT.
Conclusions:
- Pheochromocytoma should be considered in patients presenting with unexplained bidirectional ventricular tachycardia (BDVT).
- Understanding the catecholamine-induced mechanisms is crucial for managing these rare cases.
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