During a autopsy, a female victim presents with pulmonary congestion and edema. Her lungs weight was 3-4 times higher than normal weight. The right ventricle of her right was unusually distended and the pulmonary artery was full. There was also focal heart muscle damage resulting in cross-brand necrosis, indicating hypercontraction of the heart muscle. She had fenestration of the nasal septum. Urine sample had presence of cocaethylene. What was her cause of death?