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Case study of thyrotoxic cardiomyopathy.
1Department of Cardiology, James Paget University Hospitals NHS Foundation Trust, Great Yarmouth, UK.
A 65-year-old woman with hyperthyroidism developed thyrotoxic cardiomyopathy, presenting with breathlessness and fast heart rate. Prompt treatment with carbimazole and ivabradine led to a significant recovery.
Area of Science:
- Cardiology
- Endocrinology
Background:
- A 65-year-old woman with a history of type 2 diabetes, asthma, and hypertension presented with worsening breathlessness.
- She also had tachycardia and left bundle branch block (LBBB).
Observation:
- Initial electrocardiogram (ECG) showed atrial fibrillation with a fast ventricular rate on the background of LBBB.
- Echocardiogram (ECHO) findings indicated systolic impairment.
- Thyroid function tests revealed hyperthyroidism.
Findings:
- The patient was diagnosed with thyrotoxic cardiomyopathy.
- Treatment involved carbimazole and ivabradine, guided by endocrine consultation.
Implications:
- This case highlights the importance of considering thyroid dysfunction in patients presenting with cardiac symptoms.
- Early diagnosis and management of thyrotoxic cardiomyopathy can lead to favorable outcomes.
- Multidisciplinary collaboration between cardiology and endocrinology is crucial for effective patient care.
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