Hyperthyroidism Presenting with Severe Pulmonary Hypertension: A Case Report and Literature Review

Hyperthyroidism affects the cardiovascular system in many ways including increased heart rate, cardiac arrhythmias, impaired diastolic function and increased systolic blood pressure. We report a case of severe pulmonary hypertension and right heart failure with no identifiable cause other than hyperthyroidism. After recognition and treatment of hyperthyroidism, the patient had prompt hemodynamic and symptomatic recovery.