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PITUITARY TUMOR, QT PROLONGATION AND VENTRICULAR ARRHYTHMIA
Lawrence J. Petrovich1, Ajit V. Adyanthaya, Robert Dillman
1Ben Taub General Hospital and Baylor College of Medicine, Houston, Texas.
Cardiovascular Diseases
|March 1, 1978
Summary
Nervous system diseases can cause QT prolongation and dangerous ventricular arrhythmias. This case study details a young woman with a pituitary tumor effectively treated for these conditions using digoxin and propranolol.
Area of Science:
- Cardiology
- Neurology
- Endocrinology
Background:
- QT prolongation and ventricular arrhythmias are linked to various nervous system diseases.
- Pituitary tumors can present with complex systemic manifestations.
Purpose of the Study:
- To describe a case of a young woman with a pituitary tumor presenting with QT prolongation and recurrent syncope.
- To discuss the effective therapeutic strategies and pathophysiology of this rare syndrome.
Main Methods:
- Case report and clinical observation.
- Review of patient's medical history, diagnostic tests, and treatment response.
- Discussion of relevant pathophysiological mechanisms.
Main Results:
- The patient, a young woman with a pituitary tumor, experienced QT prolongation and syncope due to ventricular fibrillation.
- Treatment with digoxin and propranolol proved effective in managing the arrhythmias and syncope.
Conclusions:
- Pituitary tumors can be associated with cardiac arrhythmias, including QT prolongation and ventricular fibrillation.
- A combination of digoxin and propranolol can be an effective therapy for this specific condition.