Data Collection
The clinical data of these patients including laboratory results, clinical outcomes were collected and analyzed from electronic medical records. The echocardiographic image acquisition, measurement and results were acquired from the imaging management system in ultrasound department. Bedside echocardiographic examinations were performed in critical patients with Mindray portable machine. Siemens Machine (ACUSON OXANA1) was used for image acquisition of non-critical patients. The cardiac biomarkers were traced and assessed on days 1, 3, 7, 14, 21 and 30.