• Padmaraj D Duvvuri, Jane Liu, and Chetan Bhardwaj.
• OSF Saint Francis Medical Center, Peoria, IL. Electronic address: padmarajd@gmail.com.
• Chest. 2020 Aug 1; 158 (2): e65-e69.

Case PresentationA 59-year-old woman presented to the ED with syncope. She had progressive shortness of breath with minimal activity and precordial resting chest pain for 1 month prior to presentation. She had a medical history of heart failure with preserved ejection fraction, severe OSA well controlled with CPAP of 11 cm H2O, and a history of DVT and pulmonary embolism, diagnosed 10 years ago for which she was maintained on warfarin. The patient also had chronic myeloid leukemia in the chronic phase; she had initially been treated with imatinib but was later switched to dasatinib about 4.5 years prior to presentation. The patient had achieved major molecular remission with dasatinib 140 mg daily. Her family history was noncontributory and specifically negative for pulmonary hypertension and heart failure. She had a history of smoking (50 pack years) but had quit 23 years ago.Copyright © 2020 American College of Chest Physicians. Published by Elsevier Inc. All rights reserved.

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