Congestive heart failure (CHF) is rare during pregnancy. We herein report a 35-year-old woman who developed CHF with severe left ventricular dysfunction at 35 weeks' gestation. She underwent emergency Caesarean section followed by intensive-care treatment for CHF. The diagnosis of Cushing's syndrome (CS) caused by adrenal adenoma was confirmed by endocrinological examinations and histology after adrenalectomy. She was discharged on heart failure medications and glucocorticoid replacement therapy. Both the symptoms and cardiac function had recovered after 12 months of follow-up. This case highlights the importance of considering CS-induced cardiomyopathy as a cause of CHF in pregnant women.
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