1 Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China.
This case report describes a patient in their 70s with chronic obstructive pulmonary disease and hypertension who presented with a 2-day history of cough, expectoration, and shortness of breath.